Infiniti G35 (V35) Sedan. Manual — part 286
CCS
C1A13 STOP LAMP RELAY
CCS-55
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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38.
REPAIR OR REPLACE HARNESS BETWEEN STOP LAMP SWITCH AND ABS ACTUATOR AND ELEC-
TRIC UNIT (CONTROL UNIT)
Repair or replace harness between stop lamp switch and ABS actuator and electric unit (control unit).
>> GO TO 42.
39.
PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
1.
Perform self-diagnosis of ABS actuator and electric unit (control unit).
2.
Check if DTC is detected. Refer to
.
>> GO TO 40
40.
REPAIR OR REPLACE APPLICABLE ITEM
Repair or replace the applicable item identified by the self-diagnosis result.
>> GO TO 42.
41.
REPLACE ICC SENSOR UNTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 42.
42.
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-11, "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
Component Inspection
INFOID:0000000000965424
1.
CHECK ICC BRAKE HOLD RELAY
Check continuity between ICC brake hold relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ICC brake hold relay.
terminals
condition
Continuity
3
5
Applying battery voltage to between ter-
minals 1 and 2
Existed
No battery voltage
Not existed
JSOIA0075GB
CCS-56
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A14 ECM
C1A14 ECM
Description
INFOID:0000000000965425
• ECM transmits the accelerator pedal position signal, ICC brake switch signal, stop lamp switch signal and
ICC steering switch signal, etc. to the ICC sensor integrated unit with CAN communication.
• ECM controls the electronic control throttle based on the engine torque demand received from the ICC sen-
sor integrated unit with CAN communication.
NOTE:
If DTC C1A14 is detected along with DTC U1000, first diagnose the DTC U1000. Refer to
DTC Logic
INFOID:0000000000965426
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000965427
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECM CIRCUIT [C1A14]” (DTC 14)
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
>> GO TO 6.
3.
PERFORM SELF-DIAGNOSIS OF ECM
1.
Perform self-diagnosis of ECM.
2.
Check if DTC is detected. Refer to
.
Is any DTC detected?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
REPAIR OR REPLACE APPLICABLE ITEM
Repair or replace the applicable item identified by the self-diagnosis result.
>> GO TO 6.
5.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 6.
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
C1A14
(14)
ECM CIRCUIT
If an abnormal condition occurs with ECM.
• Accelerator pedal position sensor
• ECM
• ICC sensor integrated unit
CCS
C1A14 ECM
CCS-57
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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A
6.
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-11, "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
CCS-58
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A15 GEAR POSITION
C1A15 GEAR POSITION
Description
INFOID:0000000000965428
ICC sensor integrated unit judges gear positions according to the following signals.
• A/T turbine revolution signal transmitted from TCM with CAN communication.
• Gear ratio calculated from current gear position signal transmitted from TCM with CAN communication.
• Gear ratio calculated from vehicle speed signal transmitted from ABS actuator and electronic unit (control
unit) with CAN communication
NOTE:
If DTC C1A15 is detected along with DTC U1000, C1A03 or C1A04, first diagnose the DTC U1000, C1A03 or
C1A04.
• DTC U1000: Refer to
• DTC C1A03: Refer to
.
• DTC C1A04: Refer to
.
DTC Logic
INFOID:0000000000965429
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000965430
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “VHCL SPEED SE CIRC [C1A03]” (DTC 3), “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) or
“CAN COMM CIRCUIT [U1000]” (DTC100) other than “GEAR POSITION [C1A15]” (DTC 15) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
DIAGNOSIS FOR DETECTED DTC
Perform diagnosis on the detected DTC and repair or replace the applicable item. Refer to
.
>> GO TO 9.
3.
CHECK VEHICLE SPEED SIGNAL
With CONSULT-III
1.
Start engine.
2.
With “DATA MONITOR” of “ICC”, check if “VHCL SPEED SE” operates normally.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 8.
4.
CHECK SHIFT GEAR POSITION
Check if gear positions are correct in A/T.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
C1A15
(15)
GEAR POSITION
When a mismatch occurs between an A/T tur-
bine revolution signal transmitted from TCM
with CAN communication and a vehicle speed
signal transmitted from ABS actuator and elec-
tric unit (control unit)
• A/T turbine revolution sensor
• TCM
• Wheel sensor
• ABS actuator and electric unit (control
unit)
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