Infiniti QX56 (Z62). Manual — part 207
CCS
C1A06 OPERATION SW
CCS-95
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair the harnesses or connectors.
4.
CHECK SPIRAL CABLE
Check for continuity between spiral cable terminals.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace the spiral cable.
5.
PERFORM SELF-DIAGNOSIS OF ECM
1.
Connect the connectors of ICC steering switch and ECM connector.
2.
Turn the ignition switch ON.
3.
Perform “All DTC Reading”.
4.
Check if any DTC is detected in “Self Diagnostic Result” of “ENGINE”.
Is any DTC detected?
YES
>> Perform self-diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer
to
.
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
Component Inspection
INFOID:0000000006224318
1.
CHECK ICC STEERING SWITCH
Check resistance between ICC steering switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the steering wheel.
Spiral cable
Ground
Continuity
Connector
Terminal
M33
25
Not existed
32
Spiral cable
Continuity
Terminal
13
25
Existed
16
32
Terminal
Switch operation
Resistance
[
Ω
]
13
16
When pressing MAIN switch
Approx. 0
When pressing dynamic driver assistance
switch
Approx. 267
When pressing CANCEL switch
Approx. 615
When pressing DISTANCE switch
Approx.
1090
When pressing SET/COAST switch
Approx.
1805
When pressing RESUME/ACCELERATE
switch
Approx.
2985
When all switches are not pressed
Approx.
5415
JSOIA0319GB
CCS-96
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1A12 LASER BEAM OFF CENTER
C1A12 LASER BEAM OFF CENTER
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC Logic
INFOID:0000000006224319
DTC DETECTION LOGIC
ADAS CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006224320
1.
CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
1.
Perform “All DTC Reading” with CONSULT-III.
2.
Check if the “C1A12” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is “C1A12” detected?
YES
>> Refer to
CCS-96, "ICC SENSOR : DTC Logic"
.
NO
>> GO TO 2.
2.
CHECK ADAS CONTROL SELF-DIAGNOSIS RESULTS
Check if the “C1A12” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “C1A12” detected?
YES
>> Replace ADAS control unit. Refer to
DAS-63, "Removal and Installation"
NO
>> INSPECTION END
ICC SENSOR
ICC SENSOR : DTC Logic
INFOID:0000000006224321
DTC DETECTION LOGIC
ICC SENSOR : Diagnosis Procedure
INFOID:0000000006224322
1.
ADJUST LASER BEAM AIMING
1.
Adjust the laser beam aiming with CONSULT-III. Refer to
.
2.
Perform “All DTC Reading”.
3.
Check if the “C1A12” is detected in “Self Diagnostic Result” of “LASER”.
Is “C1A12” detected?
YES
>> Replace ICC sensor. Refer to
NO
>> INSPECTION END
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A12
(12)
LASER BEAM OFFCNTR
Laser beam of ICC sensor is off the aiming
point
Laser beam is off the aiming point
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A12
LASER BEAM OFFCNTR
Laser beam of ICC sensor is off the aiming
point
Laser beam is off the aiming point
CCS
C1A13 STOP LAMP RELAY
CCS-97
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
C1A13 STOP LAMP RELAY
DTC Logic
INFOID:0000000006224323
DTC DETECTION LOGIC
NOTE:
If DTC “C1A13” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
"ADAS CONTROL UNIT : DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE (1)
1.
Start the engine.
2.
Perform the active test item “STOP LAMP” with CONSULT-III.
3.
Perform “All DTC Reading”.
4.
Check if the “C1A13” is detected as the current malfunction in the “Self Diagnostic Result” of “ICC/ADAS”.
Is “C1A13” detected as the current malfunction?
YES
>> Refer to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE (2)
1.
Drive at the vehicle speed of 40 km/h (25 MPH) or more for approximately 60 seconds or more without the
brake pedal depressed.
CAUTION:
Always drive safely.
NOTE:
If it is outside the above condition, repeat step 1.
2.
Perform “All DTC Reading”.
3.
Check if the “C1A13” is detected as the current malfunction in the “Self Diagnostic Result” of “ICC/ADAS”.
Is “C1A13” detected as the current malfunction?
YES
>> Refer to
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224324
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A13” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ADAS CONTROL UNIT : DTC Logic"
NO
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH
Check that “STOP LAMP SW” operate normally in “DATA MONITOR” of “ICC/ADAS”.
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A13
(13)
STOP LAMP RLY FIX
• Stop lamp inactive state continues for 0.3
seconds or more despite the outputting of
an ICC sensor ICC brake hold relay drive
signal
• The stop lamp remains ON for 60 seconds
or more under the following conditions:
- Driving at 40 km/h or more
- No stop lamp drive signal output from ICC
sensor
- No brake operation
• Stop lamp switch circuit
• ICC brake switch circuit
• ICC brake hold relay circuit
• Stop lamp switch
• ICC brake switch
• ICC brake hold relay
• Incorrect stop lamp switch installation
• Incorrect ICC brake switch installation
• ECM
• ABS actuator and electric unit (control
unit)
CCS-98
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1A13 STOP LAMP RELAY
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 3.
3.
CHECK STOP LAMP SWITCH INSTALLATION
1.
Turn ignition switch OFF.
2.
Check stop lamp switch for correct installation. Refer to
BR-7, "Inspection and Adjustment"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Adjust stop lamp switch installation. Refer to
BR-7, "Inspection and Adjustment"
.
4.
CHECK STOP LAMP SWITCH
1.
Disconnect stop lamp switch connector.
2.
Check stop lamp switch. Refer to
CCS-93, "Component Inspection (Stop Lamp Switch)"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace stop lamp switch.
5.
CHECK STOP LAMP FOR ILLUMINATION
1.
Turn the ignition switch OFF.
2.
Check that the stop lamp is illuminated by depressing the brake pedal to turn the stop lamp ON.
3.
Remove ICC brake hold relay.
Is the inspection result normal?
YES
>> GO TO6.
NO
>> Check the stop lamp circuit, and repair or replace the malfunctioning parts.
6.
CHECK HARNESS BETWEEN STOP LAMP SWITCH AND ECM
1.
Turn the ignition switch OFF.
2.
Disconnect stop lamp switch, ECM, rear combination lamp, and high-mounted stop lamp connectors.
3.
Check for continuity between the stop lamp switch harness connector and the ECM harness connector.
4.
Check for continuity between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair the harnesses or connectors.
7.
CHECK ICC BRAKE HOLD RELAY CIRCUIT
1.
Connect ICC brake hold relay.
2.
Disconnect the stop lamp switch connector.
3.
Check that the stop lamp does not illuminate when brake pedal is not depressed.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 8.
8.
CHECK ICC BRAKE HOLD RELAY
1.
Remove ICC brake hold relay
2.
Check ICC hold relay. Refer to
CCS-102, "Component Inspection"
Is the inspection result normal?
Stop lamp switch
ECM
Continuity
Connector
Terminal
Connector
Terminal
E115
2
E80
158
Existed
Stop lamp switch
Ground
Continuity
Connector
Terminal
E115
2
Not existed
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