Infiniti I30 (A33). Manual — part 133
5
CHECK GROUND CIRCUIT
Refer to CONTROL UNIT GROUND and ACTUATOR MOTOR GROUND in Ground Circuit Check, BR-104.
Is ground circuit OK?
Yes
©
GO TO 6.
No
©
Repair harness and connectors.
6
CHECK SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Remove solenoid valve relay.
2. Check voltage between solenoid valve relay terminal 5 and ground.
SBR777DI
Does battery voltage exist?
Yes
©
GO TO 7.
No
©
Check the following.
I
Harness connector E33
I
Harness for open or short between solenoid valve terminal (relay box side) and fusible
link
If NG, repair harness or connectors.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
Solenoid Valve Relay (Cont’d)
BR-115
7
CHECK CIRCUIT
1. Disconnect control unit connector.
2. Check continuity between control unit connector terminals and solenoid valve relay terminals.
MTBL0089
SBR778DH
Does continuity exist?
Yes
©
GO TO 8.
No
©
Check the following.
I
Harness connector E91
I
Harness for open or short between solenoid valve relay terminal (relay box side) and
control unit
If NG, repair harness or connectors.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
Solenoid Valve Relay (Cont’d)
BR-116
8
CHECK SOLENOID VALVE RELAY
MTBL0090
While applying battery voltage to relay terminals, insert fuse into the circuit.
SBR776D
Is solenoid valve relay OK?
Yes
©
Go to “ABS Actuator Solenoid Valve”, BR-110.
No
©
Replace solenoid valve relay.
9
REPLACE FUSIBLE LINK
Replace fusible link.
Does the fusible link blow out when ignition switch is turned “ON”?
Yes
©
GO TO 10.
No
©
INSPECTION END
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
Solenoid Valve Relay (Cont’d)
BR-117
10
CHECK RELAY UNIT POWER SUPPLY CIRCUIT
1. Remove solenoid valve relay.
2. Check continuity between solenoid valve relay terminal 5 and ground.
SBR779DI
Does continuity exist?
Yes
©
GO TO 11.
No
©
Check the following.
I
Harness connector E33
I
Harness for open or short between solenoid valve terminal (relay box side) and fusible
link
If NG, repair harness or connectors.
11
CHECK ABS SOLENOID VALVE RELAY
1. Disconnect ABS actuator 2-pin connectors and control unit connector.
2. Check continuity between ABS actuator 2-pin connector E5 (body side) terminal 19 and ground.
SBR493DH
Does continuity exist?
Yes
©
Replace ABS relay box.
No
©
GO TO 12.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
Solenoid Valve Relay (Cont’d)
BR-118
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