Infiniti G37 Coupe. Manual — part 309
CCS
C1A13 STOP LAMP RELAY
CCS-49
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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2.
Repair or replace the applicable item if any DTC 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-43, "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
2
M107
122
Existed
CCS-50
< 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-54, "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
.
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
CCS
C1A13 STOP LAMP RELAY
CCS-51
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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A
Is the inspection result normal?
YES
>> GO TO 21.
NO
>> GO TO 20.
20.
REPAIR OR REPLCAE HARNESS BETWEEN ICC BRAKE HOLD RELAY AND GROUND
Repair or replace harness between ICC brake hold relay and ground.
>> GO TO 42.
21.
CHECK ICC SENSOR INTEGRATED UNIT STANDARD VOLTAGE
1.
Connect ICC sensor integrated unit connector.
2.
Turn ignition switch ON.
3.
With the “Active Test” function of “ICC”, activate “STP LMP DRIVE”.
4.
Check voltage between ICC brake hold relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 22.
NO
>> GO TO 41.
22.
CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
1.
Exit the “Active Test” of “ICC”.
2.
Check voltage between ICC brake hold relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 24.
NO
>> GO TO 23.
23.
REPAIR OR REPLACE ICC BRAKE HOLD RELAY HARNESS OR FUSE
Repair or replace ICC brake hold relay power supply harness or fuse.
>> GO TO 42.
24.
CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ECM
1.
Turn ignition switch OFF.
2.
Disconnect ECM connector.
3.
Check continuity between ICC brake hold relay harness connector and ECM harness connector.
ICC brake hold relay
connector
Terminal
Ground
Continuity
E51
1
Existed
Terminals
Condition
Voltage
(Approx.)
(+)
(–)
ICC brake hold
relay connector
Terminal
E51
2 Ground
During
“Active Test”
12 V
Terminals
Voltage
(Approx.)
(+)
(–)
ICC brake hold relay
connector
Terminal
E51
3 Ground
Battery
voltage
CCS-52
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A13 STOP LAMP RELAY
4.
Check continuity between ICC brake hold relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 26.
NO
>> GO TO 25.
25.
REPAIR HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ECM
Repair harness between ICC brake hold relay and ECM.
>> GO TO 42.
26.
CHECK ICC BRAKE HOLD RELAY
1.
Connect ECM connector and ICC brake hold relay.
2.
Disconnect stop lamp switch connector.
3.
With the “Active Test” function of “ICC”, activate “STP LMP DRIVE”.
4.
Check if stop lamp is illuminated.
Is the inspection result normal?
YES
>> GO TO 28.
NO
>> GO TO 27.
27.
REPLACE ICC BRAKE HOLD RELAY
Replace ICC brake hold relay.
>> GO TO 42.
28.
CHECK STOP LAMP SWITCH WITH ABS DATA MONITOR
With CONSULT-III
With “Data Monitor” of “ABS”, check if “STOP LAMP SW” are operates normally.
Normal?
YES
>> GO TO 29.
NO
>> GO TO 31.
29.
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 40.
NO
>> GO TO 30.
30.
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
.
Is any DTC detected?
YES
>> GO TO 40.
NO
>> GO TO 41.
31.
CHECK STOP LAMP SWITCH INSTALLATION
1.
Turn ignition switch OFF.
ICC brake hold relay
ECM
Continuity
Connector
Terminal Connector
Terminal
E51
5
M107
122
Existed
ICC brake hold relay
Ground
Continuity
Connector
Terminal
E51
5
Not existed
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