Infiniti G37 Coupe. Manual — part 308
CCS
C1A06 OPERATION SW
CCS-45
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
1.
Turn ignition switch OFF.
2.
Disconnect ICC steering switch connector.
3.
Check ICC steering switch. Refer to
CCS-46, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
REPLACE ICC STEERING SWITCH
Replace ICC steering switch.
>> GO TO 12.
7.
CHECK ICC STEERING SWITCH SIGNAL CIRCUIT
1.
Disconnect spiral cable connector and ECM connector.
2.
Check continuity between spiral cable harness connector and ECM harness connector.
3.
Check continuity between spiral cable harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 8.
8.
REPAIR OR REPLACE HARNESS BETWEEN SPIRAL CABLE AND ECM
Repair or replace harness between spiral cable and ECM.
>> GO TO 12.
9.
CHECK COMBINATION SWITCH (SPIRAL CABLE)
Check continuity between spiral cable terminals.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> GO TO 10.
10.
REPLACE SPIRAL CABLE
Replace spiral cable.
>> GO TO 12.
11.
PERFORM SELF-DIAGNOSIS OF ECM
1.
Perform self-diagnosis of ECM.
Spiral cable
ECM
Continuity
Connector
Terminal Connector
Terminal
M36
25
M107
101
Existed
32
108
Spiral cable
Ground
Continuity
Connector
Terminal
M36
25
Not existed
32
M36
M303
Continuity
Terminal Terminal
25
13
Existed
32
16
CCS-46
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A06 OPERATION SW
2.
Repair or replace applicable item. Refer to
>> GO TO 12.
12.
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:0000000001606893
1.
CHECK ICC STEERING SWITCH
Check resistance between terminals by pressing each switch.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ICC steering switch.
Terminal
Switch
Condition
Resistance [
Ω
]
13
16
MAIN
Pressed
Approx. 0
Released
Approx. 5456
CANCEL
Pressed
Approx. 309
Released
Approx. 5456
DISTANCE
Pressed
Approx. 741
Released
Approx. 5456
SET/COAST
Pressed
Approx. 1406
Released
Approx. 5456
RESUME/ACCELERATE
Pressed
Approx. 2586
Released
Approx. 5456
JSOIA0069GB
CCS
C1A12 LASER BEAM OFF CENTER
CCS-47
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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C1A12 LASER BEAM OFF CENTER
Description
INFOID:0000000001606894
ICC sensor integrated unit irradiates laser beam, and receives reflected laser beam to measure distance from
preceding vehicle.
DTC Logic
INFOID:0000000001606895
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001606896
1.
ADJUST LASER BEAM AIMING
1.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
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 “LASER BEAM OFFCNTR [C1A12]” (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-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> 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-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
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-48
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A13 STOP LAMP RELAY
C1A13 STOP LAMP RELAY
Description
INFOID:0000000001606897
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).
NOTE:
If DTC C1A13 is displayed along with DTC U1000, first diagnose the DTC U1000. Refer to
DTC Logic
INFOID:0000000001606898
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001606899
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 “STOP LAMP RLY FIX [C1A13]”
(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
>> 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 “STOP LAMP RLY FIX [C1A13]” (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)
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