Infiniti QX56 (Z62). Manual — part 208
CCS
C1A13 STOP LAMP RELAY
CCS-99
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
YES
>> GO TO 9.
NO
>> Replace ICC brake hold relay.
9.
PERFORM SELF-DIAGNOSIS OF ECM
1.
Connect all connectors again if the connectors are disconnected.
2.
Turn ignition switch ON.
3.
Perform “All DTC Reading”.
4.
Check if any DTC is detected in “Self Diagnostic Result” of “ENGINE”. Refer to
.
Is any DTC detected?
YES
>> Repair or replace the malfunctioning parts identified by the self-diagnosis result.
NO
>> Replace ADAS control unit. Refer to
DAS-63, "Removal and Installation"
10.
CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Remove ICC brake hold relay.
3.
Check the voltage between ICC brake hold relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Repair or replace ICC brake hold relay power supply circuit.
11.
CHECK HARNESS BETWEEN AND ICC BRAKE HOLD RELAY AND ADAS CONTROL UNIT
1.
Disconnect ADAS control unit connectors.
2.
Check for continuity between ICC brake hold relay harness connector and ADAS control unit harness
connector.
3.
Check for continuity between ADAS control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Repair the harnesses or connectors.
12.
CHECK ADAS CONTROL UNIT STANDARD VOLTAGE
1.
Connect all connectors again if the connectors are disconnected.
2.
Turn ignition switch ON.
3.
Perform “STOP LAMP” on “Active Test” of “ICC/ADAS”, and then check the voltage between ADAS con-
trol unit harness connector and ground.
Terminal
Voltage
(Approx.)
(+)
(–)
ICC brake hold relay
Ground
Connector
Terminal
E64
1
Battery
voltage
ICC brake hold relay
ADAS control unit
Continuity
Connector
Terminal
Connector
Terminal
E64
2
B61
5
Existed
ICC brake hold relay
Ground
Continuity
Connector
Terminal
E64
2
Not existed
CCS-100
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1A13 STOP LAMP RELAY
Is the inspection result normal?
YES
>> GO TO 13.
NO
>> Replace ADAS control unit. Refer to
DAS-63, "Removal and Installation"
13.
CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check the voltage between ICC brake hold relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 14.
NO
>> Repair or replace ICC brake hold relay power supply circuit.
14.
CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ECM
1.
Disconnect ECM, rear combination lamp, and high-mounted stop lamp connectors and remove ICC brake
hold relay.
2.
Check for continuity between ICC brake hold relay harness connector and ECM harness connector.
3.
Check for continuity between ICC brake hold relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 15.
NO
>> Repair the harnesses or connectors.
15.
CHECK ICC BRAKE HOLD RELAY
1.
Remove ICC brake hold relay.
2.
Check ICC brake hold relay. Refer to
CCS-102, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 16.
NO
>> Replace ICC brake hold relay.
16.
CHECK STOP LAMP SWITCH
Check that “STOP LAMP SW” operate normally in “DATA MONITOR” of “ABS”.
Terminal
Condition
Voltage
(Approx.)
(+)
(–)
ADAS control unit
Ground
Active Test
item
“STOP LAMP”
Connector
Terminal
B61
5
Off
Battery
voltage
On
0 V
Terminal
Voltage
(Approx.)
(+)
(–)
ICC brake hold relay
Ground
Connector
Terminal
E64
3
Battery
voltage
ICC brake hold relay
ECM
Continuity
Connector
Terminal
Connector
Terminal
E64
5
E80
158
Existed
ICC brake hold relay
Ground
Continuity
Connector
Terminal
E64
5
Not existed
CCS
C1A13 STOP LAMP RELAY
CCS-101
< 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 21.
NO
>> GO TO 17.
17.
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 18.
NO
>> Adjust stop lamp switch installation. Refer to
BR-7, "Inspection and Adjustment"
.
18.
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 19.
NO
>> Replace stop lamp switch.
19.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Connect stop lamp switch connector.
2.
Check the voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 20.
NO
>> Repair or replace stop lamp switch power supply circuit.
20.
CHECK HARNESS BETWEEN STOP LAMP SWITCH AND ABS ACTUATOR AND ELECTRIC UNIT
(CONTROL UNIT)
1.
Turn the ignition switch OFF.
2.
Disconnect stop lamp switch, ABS actuator and electric unit (control unit) connectors.
3.
Check for continuity between the stop lamp switch harness connector and the ABS actuator and electric
unit (control unit) harness connector.
4.
Check for continuity between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 21.
NO
>> Repair the harnesses or connectors.
21.
PERFORM SELF-DIAGNOSIS OF ECM
1.
Connect all connectors again if the connectors are disconnected.
Terminal
Voltage
(Approx.)
(+)
(–)
Stop lamp switch
Ground
Connector
Terminal
E115
3
Battery
voltage
Stop lamp switch
ABS actuator and electric
unit (control unit)
Continuity
Connector
Terminal
Connector
Terminal
E115
4
E36
17
Existed
Stop lamp switch
Ground
Continuity
Connector
Terminal
E115
4
Not existed
CCS-102
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
C1A13 STOP LAMP RELAY
2.
Turn ignition switch ON.
3.
Perform “All DTC Reading”.
4.
Check if any DTC is detected in “Self Diagnostic Result” of “ENGINE”. Refer to
.
Is any DTC detected?
YES
>> Repair or replace the malfunctioning parts identified by the self-diagnosis result.
NO
>> GO TO 22.
22.
PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
1.
Connect all connectors again if the connectors are disconnected.
2.
Turn ignition switch ON.
3.
Perform “All DTC Reading”.
4.
Check if any DTC is detected in “Self Diagnostic Result” of “ABS”. Refer to
Is any DTC detected?
YES
>> Repair or replace the malfunctioning parts identified by the self-diagnosis result.
NO
>> Replace ADAS control unit. Refer to
DAS-63, "Removal and Installation"
Component Inspection
INFOID:0000000006224325
1.
CHECK ICC BRAKE HOLD RELAY
Apply battery voltage to ICC brake hold relay terminals 1 and 2, and
then check for continuity under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ICC brake hold relay.
Terminal
Condition
Continuity
3
5
When the battery voltage is applied
Existed
When the battery voltage is not ap-
plied
Not exist-
ed
JSOIA0075GB
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