Nissan Quest E52. Instruction — part 449
EC-6
Component Inspection (Stop Lamp Switch) . . ..
Component Inspection (Stop Lamp Relay) . . .
P1574 ASCD VEHICLE SPEED SENSOR . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1650 STARTER MOTOR RELAY 2 . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1651 STARTER MOTOR RELAY . . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1652 STARTER MOTOR SYSTEM COMM ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1700 CVT CONTROL SYSTEM . . . . .
Description . . . . . . . . . . . . . . . .
P1715 INPUT SPEED SENSOR (PRIMARY
SPEED SENSOR) . . . . . . . . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1800 VIAS CONTROL SOLENOID VALVE 1 .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1801 VIAS CONTROL SOLENOID VALVE 2 .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1805 BRAKE SWITCH . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Stop Lamp Switch) . . ..
Component Inspection (Stop Lamp Relay) . . .
P2096, P2097, P2098, P2099 A/F SENSOR 1 .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P2101 ELECTRIC THROTTLE CONTROL
FUNCTION . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2118 THROTTLE CONTROL MOTOR . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P2122, P2123 APP SENSOR . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2127, P2128 APP SENSOR . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2135 TP SENSOR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P2138 APP SENSOR . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
ASCD BRAKE SWITCH . . . . . . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (ASCD Brake Switch) . ...
ASCD INDICATOR . . . . . . . . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
COOLING FAN . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Cooling Fan Motor) . . .
Component Inspection (Cooling Fan Relay) . . .
ELECTRICAL LOAD SIGNAL . . . . . . ..
Description . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
ELECTRONIC CONTROLLED ENGINE
MOUNT . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
FUEL INJECTOR . . . . . . . . . . . ..
Component Function Check . . . . . . . . .
EC-7
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Component Inspection . . . . . . . . . . ..
FUEL PUMP . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Fuel Pump) . . . . . .
IGNITION SIGNAL . . . . . . . . . . ...
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection (Ignition Coil with Power
Transistor) . . . . . . . . . . . . . . . .
Component Inspection (Condenser) . . . . . .
INFORMATION DISPLAY (ASCD) . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
MALFUNCTION INDICATOR LAMP . . . ...
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
REFRIGERANT PRESSURE SENSOR . . ...
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
SENSOR POWER SUPPLY2 CIRCUIT . . ...
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
VARIABLE INDUCTION AIR SYSTEM . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
ENGINE CONTROL SYSTEM SYMPTOMS ...
Symptom Table . . . . . . . . . . . . . .
NORMAL OPERATING CONDITION . . . .
Description . . . . . . . . . . . . . . . .
PERIODIC MAINTENANCE . . . . . ..
IDLE SPEED . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . .
IGNITION TIMING . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . .
EVAP LEAK CHECK . . . . . . . . . ..
Work Procedure . . . . . . . . . . . . . .
POSITIVE CRANKCASE VENTILATION . ...
Work Procedure . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
ECM . . . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . ...
Idle Speed . . . . . . . . . . . . . . . .
Ignition Timing . . . . . . . . . . . . . ...
Calculated Load Value . . . . . . . . . . ..
EC-8
< PRECAUTION >
[VQ35DE]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009650913
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Instruction.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precautions For Xenon Headlamp Service
INFOID:0000000009650914
WARNING:
Comply with the following warnings to prevent any serious accident.
• Disconnect the battery cable (negative terminal) or the power supply fuse before installing, remov-
ing, or touching the xenon headlamp (bulb included). The xenon headlamp contains high-voltage
generated parts.
• Never work with wet hands.
• Check the xenon headlamp ON-OFF status after assembling it to the vehicle. Never turn the xenon
headlamp ON in other conditions. Connect the power supply to the vehicle-side connector.
(Turning it ON outside the lamp case may cause fire or visual impairments.)
• Never touch the bulb glass immediately after turning it OFF. It is extremely hot.
CAUTION:
Comply with the following cautions to prevent any error and malfunction.
• Install the xenon bulb securely. (Insufficient bulb socket installation may melt the bulb, the connec-
tor, the housing, etc. by high-voltage leakage or corona discharge.)
• Never perform HID circuit inspection with a tester.
• Never touch the xenon bulb glass with hands. Never put oil and grease on it.
• Dispose of the used xenon bulb after packing it in thick vinyl without breaking it.
• Never wipe out dirt and contamination with organic solvent (thinner, gasoline, etc.).
PRECAUTIONS
EC-9
< PRECAUTION >
[VQ35DE]
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Precaution for Procedure without Cowl Top Cover
INFOID:0000000009650915
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc to prevent damage to
windshield.
Precautions for Removing Battery Terminal
INFOID:0000000009926279
• When removing the 12V battery terminal, turn OFF the ignition
switch and wait at least 30 seconds.
NOTE:
ECU may be active for several tens of seconds after the ignition
switch is turned OFF. If the battery terminal is removed before ECU
stops, then a DTC detection error or ECU data corruption may
occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be
detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
On Board Diagnostic (OBD) System of Engine and CVT
INFOID:0000000009650916
The ECM has an on board diagnostic system. It will illuminate the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
• Always to turn the ignition switch OFF and disconnect the negative battery cable before any repair
or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc. will
cause the MIL to illuminate.
• Always to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to illuminate due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
• Certain systems and components, especially those related to OBD, may use a new style slide-lock-
ing type harness connector. For description and how to disconnect, refer to
.
• Always route and secure the harnesses properly after work. The interference of the harness with a
bracket, etc. may cause the MIL to illuminate due to the short circuit.
• Always to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to illuminate due to the malfunction of the EVAP system or fuel injection system,
etc.
• Always to erase the unnecessary malfunction information (repairs completed) from the ECM and
TCM (Transmission control module) before returning the vehicle to the customer.
PIIB3706J
SEF289H
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