Infiniti Q45. Manual - part 271
TROUBLE DIAGNOSIS FOR SYSTEM
BRC-49
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
4.
CHECK ACTUATOR RELAY POWER CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect VDC/TCS/ABS control unit connector and VDC relay box connector E56.
3.
Check continuity between VDC/TCS/ABS control unit harness
connector E218 and VDC relay box harness connector E56.
OK or NG
OK
>> GO TO 5.
NG
>> Open or short in harness between VDC/TCS/
ABS control unit and VDC relay box.
5.
CHECK ACTUATOR RELAY UNIT
Check solenoid valve relay as a unit. Refer to
OK or NG
OK
>> Check VDC/TCS/ABS control unit power circuit.
NG
>> Replace solenoid valve relay.
Stop Lamp Switch
NFS000D7
INSPECTION PROCEDURE
1.
CHECKING SELF-DIAGNOSIS RESULTS
With CONSULT-II
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “SELF-DIAG RESULTS” mode for “VDC” with CONSULT-II.
3.
Touch “ERASE”.
4.
Turn ignition switch “OFF” and wait at least 10 seconds.
5.
Check the self-diagnostic results.
Is above displayed in the self-diagnosis display?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK CONNECTOR
1.
Turn ignition switch “OFF”.
2.
Disconnect stop lamp switch connector M402 and VDC/TCS/ABS control unit connector E218.
3.
Reconnect connectors securely.
4.
Start engine.
5.
Repeat pumping brake pedal carefully several times, then perform self-diagnosis again.
Do any self-diagnosis items appear?
YES
>> GO TO 3.
NO
>> Poor connection. Repair or replace applicable connector.
2 - 5
: Continuity should exist.
36 - 7
: Continuity should exist.
SFIA2370E
Self-diagnosis results
STOP LAMP SW