Infiniti EX35. Manual — part 377

CCS

C1A12 LASER BEAM OFF CENTER

CCS-43

< COMPONENT DIAGNOSIS >

[INTELLIGENT CRUISE CONTROL]

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C1A12 LASER BEAM OFF CENTER

Description

INFOID:0000000003130057

ICC sensor integrated unit irradiates laser beam, and receives reflected laser beam to measure distance from
preceding vehicle.

DTC Logic

INFOID:0000000003130058

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000003130059

1.

ADJUST LASER BEAM AIMING

1.

Adjust laser beam aiming. Refer to

CCS-8, "LASER BEAM AIMING ADJUSTMENT : Special Repair

Requirement (Preparation)"

.

2.

Erase DTC.

3.

Activate the vehicle-to-vehicle distance control mode.

4.

Perform self-diagnosis of ICC sensor integrated unit.

5.

Check if DTC “C1A12: LASER BEAM OFFCNTR” (DTC 12) is detected.

Is any DTC detected?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE ICC SENSOR INTEGRATED UNIT

1.

Replace ICC sensor integrated unit.

2.

Adjust laser beam aiming. Refer to

CCS-8, "LASER BEAM AIMING ADJUSTMENT : Special Repair

Requirement (Preparation)"

.

>> GO TO 3.

3.

CHECK ICC SYSTEM

1.

Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to

CCS-13, "ACTION TEST : Special Repair

Requirement (Vehicle-To-Vehicle Distance Control Mode)"

).

2.

Check that no abnormal condition is present in the ICC system.

>> INSPECTION END

DTC No.

(On board

display)

Trouble diagnosis name

DTC detecting condition

Possible cause

C1A12

(12)

LASER BEAM OFFCNTR

Laser beam of ICC sensor integrated unit is off
the aiming point.

Laser beam aiming

CCS-44

< COMPONENT DIAGNOSIS >

[INTELLIGENT CRUISE CONTROL]

C1A13 STOP LAMP RELAY

C1A13 STOP LAMP RELAY

Description

INFOID:0000000003130060

The ICC brake hold relay activates the stop lamp by the stop lamp drive signal (ICC brake hold relay signal)
outputted by the ICC sensor integrated unit (Only in the vehicle-to-vehicle distance control mode).

DTC Logic

INFOID:0000000003130061

DTC DETECTION LOGIC

NOTE:
If DTC “C1A13” is displayed along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to

CCS-75,

"Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003130062

1.

PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT

1.

Perform self-diagnosis of ICC sensor integrated unit.

2.

Check if DTC “U1000: CAN COMM CIRCUIT” (DTC 100) other than “C1A13: STOP LAMP RLY FIX” (DTC
13) is detected.

Is any DTC detected?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CAN COMMUNICATION INSPECTION

Perform the CAN communication system inspection. Repair or replace the applicable item. Refer to

CCS-75,

"Diagnosis Procedure"

.

>> GO TO 42.

3.

CHECK CONNECTOR OF ECM

1.

Turn ignition switch OFF.

2.

Disconnect ECM connector, and connect it securely again.

3.

Erase DTC.

4.

Activate the vehicle-to-vehicle distance control mode and drive the vehicle following the preceding vehi-
cle.

5.

Perform self-diagnosis of ICC sensor integrated unit.

6.

Check if DTC “C1A13: STOP LAMP RLY FIX” (DTC 13) is detected.

Is any DTC detected?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK ECM CONNECTOR

1.

Check ECM connector housing for disconnected, loose, bent, and collapsed terminals.

DTC No.

(On board

display)

Trouble diagnosis name

DTC detecting condition

Possible cause

C1A13

(13)

STOP LAMP RLY FIX

• If the stop lamp is not activated even though

the ICC sensor integrated unit is transmitting
a stop lamp drive signal (ICC brake hold relay
signal).

• If the stop lamp is activated even though the

ICC sensor integrated unit is not transmitting
a stop lamp drive signal (ICC brake hold relay
signal).

• ICC brake hold relay
• ICC brake switch
• Stop lamp switch
• Incorrect ICC brake switch
• Incorrect stop lamp switch
• ICC brake hold relay circuit
• ICC brake switch circuit
• Stop lamp switch circuit
• ECM
• ABS actuator and electric unit (control

unit)

CCS

C1A13 STOP LAMP RELAY

CCS-45

< COMPONENT DIAGNOSIS >

[INTELLIGENT CRUISE CONTROL]

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2.

Repair or replace the applicable item if any abnormal condition is found.

>> GO TO 42.

5.

CHECK STOP LAMP SWITCH WITH ICC DATA MONITOR

With CONSULT-III

With “Data Monitor” of “ICC”, check if “STOP LAMP SW” operates normally.
Is the inspection result normal?

YES

>> GO TO 17.

NO

>> GO TO 6.

6.

CHECK STOP LAMP SWITCH INSTALLATION

1.

Turn ignition switch OFF.

2.

Check stop lamp switch for proper installation. Refer to

BR-7, "Inspection and Adjustment"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 7.

7.

ADJUST STOP LAMP SWITCH

Adjust stop lamp switch. Refer to

BR-7, "Inspection and Adjustment"

.

>> GO TO 42.

8.

CHECK STOP LAMP SWITCH

1.

Disconnect stop lamp switch connector.

2.

Check stop lamp switch. Refer to

CCS-39, "Component Inspection (STOP LAMP SWITCH)"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> GO TO 9.

9.

REPLACE STOP LAMP SWITCH

Replace stop lamp switch.

>> GO TO 42.

10.

CHECK STOP LAMP ILLUMINATION

1.

Disconnect ICC brake hold relay.

2.

Connect stop lamp switch connector.

3.

Check if stop lamp is illuminated when depressing brake pedal.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> GO TO 11.

11.

REPAIR OR REPLACE STOP LAMP SWITCH CIRCUIT

Repair or replace stop lamp circuit.

>> GO TO 42.

12.

CHECK HARNESS BETWEEN STOP LAMP SWITCH AND ECM

1.

Disconnect stop lamp switch connector and ECM connector.

2.

Check continuity between stop lamp switch harness connector and ECM harness connector.

Stop lamp switch

ECM

Continuity

Connector

Terminal Connector

Terminal

E110

4

M107

122

Existed

CCS-46

< COMPONENT DIAGNOSIS >

[INTELLIGENT CRUISE CONTROL]

C1A13 STOP LAMP RELAY

Is the inspection result normal?

YES

>> GO TO 14.

NO

>> GO TO 13.

13.

REPAIR OR REPLACE HARNESS BETWEEN STOP LAMP SWITCH AND ECM

Repair or replace harness between stop lamp switch and ECM.

>> GO TO 42.

14.

CHECK ICC BRAKE HOLD RELAY CIRCUIT

1.

Connect ICC brake hold relay and ECM connector.

2.

Check if stop lamp does not illuminate when brake pedal is not depressed.

Is the inspection result normal?

YES

>> GO TO 16.

NO

>> GO TO 15.

15.

CHECK ICC BRAKE HOLD RELAY

1.

Disconnect ICC brake hold relay.

2.

Check ICC brake hold relay. Refer to

CCS-50, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 16.

NO

>> GO TO 27.

16.

PERFORM SELF-DIAGNOSIS OF ECM

1.

Perform self-diagnosis of ECM.

2.

Check if DTC is detected. Refer to

EC-514, "DTC Index"

.

Is any DTC detected?

YES

>> GO TO 40.

NO

>> GO TO 41.

17.

CHECK HARNESS BETWEEN ICC SENSOR INTEGRATED UNIT AND ICC BRAKE HOLD RELAY

1.

Turn ignition switch OFF.

2.

Disconnect ICC sensor integrated unit connector and ICC brake hold relay.

3.

Check continuity between ICC sensor integrated unit harness connector and ICC brake hold relay har-
ness connector.

4.

Check continuity between ICC sensor integrated unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 19.

NO

>> GO TO 18.

18.

REPAIR HARNESS BETWEEN ICC SENSOR INTEGRATED UNIT AND ICC BRAKE HOLD RELAY

Repair harness between ICC sensor integrated unit and ICC brake hold relay.

>> GO TO 42.

19.

CHECK ICC BRAKE HOLD RELAY GROUND CIRCUIT

Check continuity between ICC brake hold relay harness connector and ground.

ICC sensor integrated unit

ICC brake hold relay

Continuity

Connector

Terminal Connector

Terminal

E67

2

E51

2

Existed

ICC sensor integrated unit

Ground

Continuity

Connector

Terminal

E67

2

Not existed