Nissan Silvia. Manual — part 95
10
RELAY POWER SUPPLY CIRCUIT
1. Disconnect ABS actuator 2-pin connector F39.
2. Check continuity between ABS actuator 2-pin connector F39 (body side) terminal 9 (R/B) and ground.
SBR815E
Continuity should not exist.
OK or NG
OK
©
GO TO 11.
NG
©
Check the following.
I
Harness connector F39
I
Harness for open or short between ABS actuator connector and fusible link
If NG, repair harness or connector.
11
RELAY POWER SUPPLY CIRCUIT
1. Disconnect ABS actuator connector F14.
2. Check continuity between ABS actuator 8-pin connector F14 (actuator side) terminal 6 (R/W) and ground.
SBR816E
Continuity should exist.
OK or NG
OK
©
GO TO DIAGNOSTIC PROCEDURE 2, BR-56.
NG
©
Replace ABS actuator.
12
FUSE CHECK
Replace fuse.
Does the fuse blow out when ignition switch is turned “ON”?
Yes
©
Check the following.
I
Harness connector F40
I
Harness for open or short between ABS actuator connector and fuse
If NG, repair harness or connector.
No
©
INSPECTION END
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
ABS
Solenoid Valve Relay (Cont’d)
BR-63
Motor Relay or Motor
DIAGNOSTIC PROCEDURE 4
=NMBR0131
1
INSPECTION START
ABS motor relay inspection
SBR809E
©
GO TO 2.
2
CHECK FUSIBLE LINK
Check 30A fusible link G. For fusible link layout, refer to EL-7, “POWER SUPPLY ROUTING”.
Is fusible link OK?
Yes
©
GO TO 3.
No
©
GO TO 10.
3
FUSE CHECK
Check 10A fuse No. 10. For fuse layout, refer to EL-7, “POWER SUPPLY ROUTING”.
Is fuse OK?
Yes
©
GO TO 4.
No
©
GO TO 15.
4
CHECK CONNECTOR
1. Disconnect connector from ABS actuator and control unit connector. Check terminals for damage or loose connection.
Then reconnect connector.
2. Carry out self-diagnosis again.
Does warning lamp activate again?
Yes
©
GO TO 5.
No
©
INSPECTION END
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
ABS
Motor Relay or Motor
BR-64
5
CHECK ABS ACTUATOR GROUND CIRCUIT
Refer to “ABS ACTUATOR GROUND” in “Ground Circuit Check”, BR-53.
Is ground circuit OK?
Yes
©
GO TO 6.
No
©
Repair harness or connector.
6
CHECK MOTOR RELAY POWER SUPPLY CIRCUIT
1. Disconnect ABS actuator 2-pin connector F39.
2. Check voltage between ABS actuator 2-pin connector F39 (body side) terminal 10 (G) and ground.
SBR817E
Does battery voltage exist?
Yes
©
GO TO 7.
No
©
Check the following.
I
Harness connector F39
I
Harness for open or short between ABS actuator and fusible link
If NG, repair harness or connector.
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
ABS
Motor Relay or Motor (Cont’d)
BR-65
7
CIRCUIT CHECK
1. Disconnect ABS actuator 8-pin connector and control unit connectors F7, F8.
2. Check resistance between ABS actuator 8-pin connector terminal (body side) and ABS control unit connector (body
side).
SBR818E
MTBL0643
Continuity should exist.
OK or NG
OK
©
GO TO 8.
NG
©
Check the following.
I
Harness connectors F40, F7, F8
I
Harness for open or short between ABS actuator connector and control unit
If NG, repair harness or connectors.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
ABS
Motor Relay or Motor (Cont’d)
BR-66
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