JAC HFC4DA1-2C engine. Service Manual — part 13

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194

32.

DTC

P2264

There are faults in water level sensor of diesel filter oil-water separator.

P2267 Water in diesel filter oil-water separator is overflowed.

Fault Description: Main function of oil-water separator is to separate moisture from oil in fuel to ensure combustion
quality of fuel. When fuel oil goes through oil-water separator, oil content and moisture content in the fuel are
separated. For water density is larger than that of oil, separated water is stored in “water tank” under filter element.
Fuel filter lower water level sensor is applied in water level detection in “water tank”. When accumulated water
reaches certain level, warning lamp on instrument panel will be lightened to remind driver to carry out draining. In the
case of delayed water drainage, DTC occurs.

Diagnosis Hint: In the case of DTC existence, it is necessary to check water level first of all. Normally, carry out
water drainage for every 8000-10000km engine running. For oil quality problems, water drainage should be carried
out ahead of time for fuel which contains much moisture. Besides, test relevant connectors for this diagnostic
procedure for short circuit of terminals or poor contact of wire, avoiding water level sensor signal distortions caused
by short circuit or poor contact.

Water level signal

Drain switch

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Fault Tree:

Get the Technical Support.

Repair the harness.

Repair accordingly.

Replace water level sensor.

Repair accordingly.

Repair accordingly.

Eliminate the fault.

Drain filter.

Is there still water?

Check water level sensor for electrical faults.

Are there still electrical faults?

Check water level sensor connectors.

Are there still connector faults?

Check water level sensor resistance.

Is there still resistance fault?

Check ECU connectors.

Are there still connector faults?

Check for continuity and insulating property.

Electrical fault

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33.

DTC

P2299

Depress accelerator pedal and brake pedal at the same time.

Fault Description: Accelerator pedal assembly consists of two accelerator pedal position (APP) sensors. Accelerator
pedal position sensors are installed on pedal assembly and they are not maintainable. When driver depresses
accelerator pedal, air inflow of cylinder is increased and ECU increases fuel injector pulse width in order to supply
additional fuel during acceleration process for engine demand. Brake switch is a normally open one. When brake
pedal is depressed, this switch is closed in order to provide TCU with voltage for brake application. In the case of
misoperation of driver during driving, brake system will be locked after depressing brake pedal and brake pedal can
not return to its original position. Under such condition, depressing accelerator pedal will lead to DTC occurrence due
to conflict between acceleration and brake signals in the case of engine braking status. In addition, improper
maintenance or ECU control circuit failures will lead to such faults.

Diagnosis Hint: Check brake system and acceleration system for stuck pedal position without pedal returns. Check
the circuit between ECU and components for good contact of connection and good harness insulating property. For
connection test for ECU and components, diagnostic connectors should be applied.

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Fault Tree:

Get the Technical Support.

Replace the harness.

Replace it accordingly.

Replace it accordingly.

Check brake system and acceleration system

mechanical parts.

Mechanical part failures

Check accelerator switch adjusting position.

Check switch position for improper

adjustment.

Adjust accelerator switch position

(accelerator pedal electric

potential standard value: 750±

85mv)

Check ECU for connector faults.

Check connecting circuit

between ECU and the system.

Connecting circuit failures

Replace the ECU and carry out debugging.

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34.

DTC U0167

In the case of the maximum fault reading, there are EEPROM errors/ICM
time-out communication failures.

Fault Description: They are mainly taken as integrity failures for ECU internal microprocessor, being applied in
determination of ECU programming procedure implementation. In the case of engine shutdown and ignition switch
connection, ECU carries out self-diagnosis. In the case of diagnosis failure, control module records operation
condition under diagnosis failure and stores this information in “Fault Record”, DTC occurs. During engine operation,
when there is deviation between ECU detected signals and standard signals, the fault will be stored and expressed as
DTC via internal communication module of ECU. In the case of external signal intrusion, this will lead to system
disorder and DTC occurs. When various faults occur at the same time under the same operation condition, there will
be multiple DTCs. For there is a process for ECU response to each fault, ECU response time will be longer in the case
of multiple simultaneous faults in existence. During response process, DTC may occur due to ECU internal
communication errors or hardware faults.

Diagnosis Hint: In the case of fault occurrence, relevant test can be carried out after ECU replacement for possible
fault cause may be too long ECU internal response time. Check ECU circuit to verify whether it is circuit failure that
leads to fault occurrence.

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Fault Tree:

Get the Technical Support.

Repair the harness.

Repair accordingly.

Check ECU connectors.

Connector fault

Check continuity and insulating property

Control circuit failures

Check ECU.

ECU faults

Replace the ECU or refresh ECU

data.

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35.

DTC

P0045

Supercharger actuator control wire is open.

P0046

ECU internal drive module of supercharger actuator control wire is
overheated.

P0047

Supercharger actuator control wire is short to ground.

P0048

Supercharger actuator control wire is short to high level.

ECU is the control center fro supercharger actuator control system. ECU calculates corresponding supercharger
actuator response according to engine operation condition. ECU realizes actuator positioning via providing
supercharger actuator control motor with pulse width modulation voltage.

Diagnosis Hint: Check for connection and disconnection faults or seizures due to temperature. Under extremely hot
or cold condition, existed contaminations or freeze may lead to unsmooth component movement.

If it is an intermittent fault, the possible causes may be poor contact, worn wire insulating layer or damaged wire in
insulating layer.

Check for the following conditions:

z Poor contact of ECU or exhaust brake valve —Check harness connectors.

– Terminal looseness

– Poor fit of matching parts

–Locking plate fracture

–Terminal deformation or damage

–Poor contact between terminal and wire

z Harness damage—Check harness for damage.

Control signal

Booster actuator

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Fault Tree:

检查ECU的接插件

做必要的修理

控制线路问题

修理线束

检查连续性和绝缘性

接插件问题

检查ECU

Y

N

Y

N

ECU问题

Y

更换ECU或者刷新ECU数据

N

联系技术支持

Get the Technical Support.

Repair the harness.

Repair accordingly.

Check ECU connectors.

Connector fault

Check for continuity and insulating property.

Control circuit failures

Check ECU.

ECU faults

Replace the ECU or refresh ECU

data.

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36.

DTC

P1070

Catalytic converter is clogged.

P2002

Catalytic converter is removed.

P2454

Catalytic converter front and rear differential pressure is too low.

P2455

Catalytic converter front and rear differential pressure is too high.

Differential pressure sensor is a Hall Effect switch. ECU provides differential pressure sensor with 5V voltage via 5V
reference voltage circuit and provides the sensor with grounding via low reference voltage circuit. Differential
pressure sensor provides ECU with signal voltage according to front and rear differential pressure changes of catalytic
converter. ECU determines catalytic converter differential pressure with this signal voltage. Differential pressure
sensor circuit is connected to ECU directly. Moreover, differential pressure sensor can be applied in determination of
catalytic converter damages. Circuits between differential pressure sensor and ECU include the followings:

Differential pressure sensor high reference voltage circuit

Ground circuit

Differential pressure signal circuit

When ECU detects incorrect sensor signals or no signals, DTC occurs.

Diagnosis Hint: Poor terminal connection—Check harness connectors for looseness, mismatching, retainer damage,
improper shape or damage and connection failure with wires. Apply corresponding matching terminals for test of
proper tension.

Harness damage—Check wire harness for damage. In the case of no harness faults, move relevant connectors and
wire harness and observe display of fault diagnostic apparatus. Fault diagnostic apparatus displays changes to indicate
fault positions.

Check ECU and engine ground connection for reliability and cleanness. If it is determined that DTC is an intermittent
fault, please refer to Fault Record to check the time of last DTC occurrence.

Terminal ECU

K27

Differential pressure sensor power supply

K59

Differential pressure sensor signal terminal

K80 Ground

Differential

pressure

sensor

5V power supply

Differential pressure signal

Ground

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Fault Tree:

Get the Technical Support.

Repair the harness.

Repair or replace.

Check the component connector.

Connector fault

Check ECU connectors.

Electrical fault

Check the sensor.

Sensor faults

Replace the sensor.

Repair or replace.

Check continuity and insulating

property

Replace components.

Does the problem still exist?

Preface

Preface

Preface

Preface

This SUNRAY Service Manual is hereby compiled by the Customer Service

Department of JAC to help the technical service personnel correctly understand and

get familiar with SUNRAY products of JAC INTERNATIONAL better and to provide

them with the ability of quick repair and proper maintenance. This manual comprises

five volumes: Engine Control, Engine Mechanical, Chassis, Body Electrical, and

Body Accessories.

The Body Electrical Volume details the technical standards of electrical component

removal/installation, test, debugging and diagnosis for SUNRAY long-wheelbase

vehicles, including whole vehicle circuit diagrams, definitions of connectors and

locations of ground points for SUNRAY vehicles for quicker service and maintenance

of customer.

When replacement is necessary, only genuine spare parts recommended by JAC can

be adopted.

No part of this manual can be reproduced or used in any form or by any mean without

written permission. All Rights Reserved.

JAC INTERNATIONAL

March 2011

Body

Body

Body

Body Electrical

Electrical

Electrical

Electrical Volume

Volume

Volume

Volume Content

Content

Content

Contentssss

- 1 -

Body

Body

Body

Body Electrical

Electrical

Electrical

Electrical Volume

Volume

Volume

Volume Content

Content

Content

Contentssss

Battery

Battery

Battery

Battery and

and

and

and Charging

Charging

Charging

Charging System

System

System

System

Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SC 2

Mounting Position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SC 2

Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SC 3

Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SC 4

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... SC 4

Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SC 5

Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...SC 5

Fault diagnosis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... SC 7

Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. SC 11

Fault determination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. SC 11

Operating principle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. SC 12

Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. SC 14

Removal of Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..SC 14

Installation of Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. SC 16

Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..SC 18

Removal of Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..SC 18

Installation of Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. SC 21

Instrument

Instrument

Instrument

Instrument and

and

and

and Warning

Warning

Warning

Warning System

System

System

System

Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..IP 24

Mounting position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IP 24

Performance characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..IP 25

Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..IP 26

Function description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IP 26

Definitions of pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IP 32

Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..IP 33

Removal of Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IP 33

Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..IP 35

Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. IP 35

ETACS

ETACS

ETACS

ETACS Body

Body

Body

Body Computer

Computer

Computer

Computer

ETACS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 38

Mounting position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...ET 38

Information functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..ET 39

ETACS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 40

System structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..ET 40

Introduction functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 41

Control strategy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...ET 47

Diagnosis and Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ET 49

ETACS Pin Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 50

ETACS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 52

Removal of ETACS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 52

Body

Body

Body

Body Electrical

Electrical

Electrical

Electrical Volume

Volume

Volume

Volume Content

Content

Content

Contentssss

- 2 -

Installation of ETACS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ET 53

ETACS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 54

Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ET 54

Lighting

Lighting

Lighting

Lighting System

System

System

System

Lighting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 56

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 56

Lighting configuration table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 58

Introduction to functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 59

Fault diagnosis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 62

Removal of headlamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..LT 76

Removal of clearance lamps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 77

Removal of front fog lamps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 78

Removal of ceiling lamps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 79

Removal of rear tail lamps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. LT 80

Removal of high-mounted brake lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 81

Removal of rear fog lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 82

Lighting System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 83

Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LT 83

Wiper

Wiper

Wiper

Wiper and

and

and

and Washer

Washer

Washer

Washer System

System

System

System

Wiper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WW 86

Mounting position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WW 87

Information functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... WW 89

Wiper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WW 91

Definitions of pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WW 91

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WW 92

Wiper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WW 95

Removal of the wiper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... WW 95

Removal of the windshield washing fluid reservoir. . . . . . . . . . . . . . . . . . . . . . .WW 97

Removal of the Wiper washing nozzle. . . . . . . . . . . . . . . . . . . . . . . . . . . .WW 98

Wiper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WW 99

Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. WW 99

Reversing

Reversing

Reversing

Reversing Radar

Radar

Radar

Radar

Reversing Radar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PT 102

Mounting position sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. PT 102

Operating principle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... PT 103

Reversing Radar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PT 104

Definitions of reversing radar computer pins. . . . . . . . . . . . . . . . . . . . . . . . . PT 104

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PT 106

Reversing Radar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PT 108

Removal of the reversing radar computer. . . . . . . . . . . . . . . . . . . . . . . . . . . PT 108

Removal of the reversing radar sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . .. PT 110

Reversing Radar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..PT 111

Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PT 111

Body

Body

Body

Body Electrical

Electrical

Electrical

Electrical Volume

Volume

Volume

Volume Content

Content

Content

Contentssss

- 3 -

Audio/

Audio/

Audio/

Audio/Video

Video

Video

Video System

System

System

System

Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AV 114

Mounting position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AV 114

Introduction functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...AV 115

Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AV 119

Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..AV 121

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AV 121

Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..AV 124

Removal of Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AV 124

Removal of loudspeakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..AV 125

Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..AV 127

Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...AV 127

Seat

Seat

Seat

Seat Belt

Belt

Belt

Belt

Seat Belt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SB 130

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...SB 130

Seat Belt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SB 131

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SB 131

Seat Belt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SB 132

Removal of seat belt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SB 132

Removal of seat belt buckle lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. SB 134

Power

Power

Power

Power Window

Window

Window

Window

Power Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GW 136

Installation position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GW 136

Operation Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GW 137

Power Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GW 138

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. GW 138

Power Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GW 142

Removal of window regulator motor. . . . . . . . . . . . . . . . . . . . . . . . . . . .. GW 142

Removal of window regulator switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . GW 143

Electric

Electric

Electric

Electric rear-view

rear-view

rear-view

rear-view mirro

mirro

mirro

mirro

Electric rear-view mirro. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EM 148

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EM 148

Electric rear-view mirro. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EM 149

Removal of rear view mirror. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... EM 149

Removal of rear view mirror switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . EM 150

H

H

H

Horn

orn

orn

orn

H

H

H

Horn

orn

orn

orn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HO 152

Mounting position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HO 152

H

H

H

Horn

orn

orn

orn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HO 153

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... HO 153

H

H

H

Horn

orn

orn

orn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HO 156

Removal of Horn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HO 156

Body

Body

Body

Body Electrical

Electrical

Electrical

Electrical Volume

Volume

Volume

Volume Content

Content

Content

Contentssss

- 4 -

Air

Air

Air

Air Conditioner

Conditioner

Conditioner

Conditioner

Air Conditioner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AT 158

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...AT 158

Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 159

Functional operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 162

Air Conditioner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AT 165

Operating principle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... AT 165

Air distribution system introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 167

Leak test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 168

A/C system performance testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... AT 169

Refrigerant recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... AT 172

A/C System Performance Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 174

System Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AT 176

Air Conditioner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AT 189

Removal of front A/C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 189

Removal of top evaporator tank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 191

Removal of front condenser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..AT 193

Removal of bottom condenser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AT 195

Removal of heater water tank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... AT 196

Removal of after motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 198

Removal of compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 202

Installation of compressor assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . AT 204

Removal of front A/C panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AT 205

Removal of rear A/C panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... AT 206

Air Conditioner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AT 207

Basic parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... AT 207

Circuit

Circuit

Circuit

Circuit Diagram

Diagram

Diagram

Diagram

Diagram specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 210

Circuit Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 218

Interior fuse box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 218

Exterior fuse box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. EC 219

Start charging system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 220

Engine ECU electronic control unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . ..EC 222

Horn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..EC 217

ABS system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. EC 228

Airbag system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... EC 229

Reversing system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. EC 230

Electric rear view mirror. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...EC 231

Audio system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 231

Cigarette lighter and fuel heater. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... EC 233

Rear ceiling lamp and front fog lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . ... EC 234

Rear fog lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... EC 235

High beam and low beam. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 236

Body

Body

Body

Body Electrical

Electrical

Electrical

Electrical Volume

Volume

Volume

Volume Content

Content

Content

Contentssss

- 5 -

Turn signal lamp and hazard warning lamp. . . . . . . . . . . . . . . . . . . . . . . . . ..EC 237

Small lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 238

Central control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. EC 239

Wiper and washer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 240

Power window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. EC 241

Front A/C system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. EC 242

Rear A/C system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... EC 243

ETACS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..EC 244

Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .EC 247

Self diagnosis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 250

Harness layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 251

Main harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .EC 251

Engine compartment harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 252

Left front door harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 255

Right front door harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... EC 256

Left tail lamp harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... EC 257

Right tail lamp harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 258

Left back door harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..EC 259

Rear loud speaker harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 260

ABS harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 261

Fuel tank harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. EC 262

Reversing radar harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EC 263