Infiniti FX35, FX50 (S51). Manual — part 1786
RAS WARNING LAMP
STC-85
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
RAS WARNING LAMP
Description
INFOID:0000000005549742
• RAS warning lamp turns ON when ignition switch turns ON from OFF. Then, RAS warning lamp turns OFF
after the engine is started.
• The check of RAS system is performed.
• RAS system stops (error) when RAS warning lamp turns ON.
Component Function Check
INFOID:0000000005549743
1.
CHECK RAS WARNING LAMP FUNCTION
1.
Turn ignition switch ON.
2.
Make sure that RAS warning lamp lights up.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005549744
1.
PERFORM UNIFIED METER AND A/C AMP. SELF-DIAGNOSIS
With CONSULT-III
Perform “METER/M&A” self-diagnosis.
Is any error system detected?
YES
>> Check the error system.
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform “4WAS(MAIN)/RAS/HICAS” self-diagnosis.
Is DTC “U1000” or “U1010” detected?
YES
>> Check the error system.
NO
>> GO TO 3.
3.
PERFORM COMBINATION METER CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the unified meter and A/C amp. harness connector.
3.
Disconnect the combination meter harness connector.
4.
Check the continuity between the unified meter and A/C amp. harness connector and the combination
meter harness connector terminal.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the harnesses and connectors.
4.
CHECK RAS WARNING LAMP SIGNAL
With CONSULT-III
1.
Connect the unified meter and A/C amp. harness connector.
2.
Connect the combination meter harness connector.
3.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
Unified meter and A/C amp.
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
M66
7
M53
3
Existed
27
2
STC-86
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
RAS WARNING LAMP
4.
Select “DATA MONITOR” of “4WAS(MAIN)/RAS/HICAS”.
5.
Check “WARNING LAMP” item on DATA MONITOR of RAS control unit.
Does the item on “DATA MONITOR” indicate “On”?
YES
>> GO TO 5.
NO
>> Replace RAS control unit. Refer to
STC-109, "Removal and Installation"
.
5.
CHECK COMBINATION METER
Perform the trouble diagnosis of the combination meter. Refer to
MWI-58, "COMBINATION METER : Diagno-
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the combination meter. Refer to
Special Repair Requirement
INFOID:0000000005549745
BEFORE REPLACING RAS CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Never erase the memory (history) of self-diagnosis results when replacing RAS control unit after
diagnosis.
• Erase the memory of the self-diagnosis results (record) after printing out or recording all the val-
ues of “DATA MONITOR”.
STOP LAMP SWITCH
STC-87
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
C
D
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A
B
STC
N
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STOP LAMP SWITCH
Description
INFOID:0000000005549746
The stop lamp switch transmits the stop lamp switch signal (ON/OFF) to the RAS control unit.
Component Function Check
INFOID:0000000005549747
1.
CHECK STOP LAMP SWITCH OPERATION
Operate the brake pedal. Then check that the stop lamp in the rear combination lamp turns ON/OFF correctly.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000005549748
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect RAS control unit harness connector.
3.
Disconnect stop lamp switch harness connector.
4.
Check terminal for deformation, disconnection, looseness, etc.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace or repair damaged parts.
2.
CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to
STC-87, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace stop lamp switch.
3.
CHECK STOP LAMP SWITCH CIRCUIT
1.
Turn the ignition switch OFF.
2.
Check the voltage between RAS control unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace damaged parts.
Component Inspection
INFOID:0000000005549749
1.
CHECK STOP LAMP SWITCH
1.
Turn the ignition switch OFF.
2.
Disconnect stop lamp switch connector.
3.
Check the continuity between stop lamp switch connector terminals.
Condition
Stop lamp illumination status
When the brake pedal is operation
ON
When the brake pedal is not operation.
OFF
RAS control unit
—
Condition
Voltage
Connector
Terminal
B37
22
Ground
Brake pedal is depressed
Battery voltage
Brake pedal is released
Approx. 0 V
STC-88
< DTC/CIRCUIT DIAGNOSIS >
[WITH REAR ACTIVE STEER]
STOP LAMP SWITCH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace stop lamp switch. Refer to
.
Special Repair Requirement
INFOID:0000000005549750
BEFORE REPLACING RAS CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Never erase the memory (history) of self-diagnosis results when replacing RAS control unit after
diagnosis.
• Erase the memory of the self-diagnosis results (record) after printing out or recording all the val-
ues of “DATA MONITOR”.
Stop lamp switch
Condition
Continuity
Terminal
1
−
2
Release stop lamp switch
(When brake pedal is depressed.)
Existed
Push stop lamp switch
(When brake pedal is released.)
Not existed
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