Mitsubishi Grandis. Manual - part 926

TROUBLESHOOTING

TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM

35C-29

STEP 10. Check TCL/ASC-ECU connector A-04 
and wheel speed sensor <front: RH> connector 
A-02 for loose, corroded or damaged terminals, 
or terminals pushed back in the connector.

Q: Is the check result normal?

YES : 

Open or short circuit may be present in the 

front right wheel speed sensor circuit. 
Repair the wiring harness between 
TCL/ASC-ECU connector A-04 (terminals 
33 and 34) and front right wheel speed 
sensor A-02 (terminals 2 and 1). Then go to 
Step 15.

NO : 

Repair or replace the damaged 
component(s). Then go to Step 15.

AC312621

Oil reservoir

Connector: A-04

AB

A-04

Hydraulic unit
(with built-in TCL/ASC-ECU)

A-04 Harness connector
(harness side)

AC312616AB

Connector: A-02

A-02 (GR)

A-02 Harness
connector
(harness side)

AC312618AB

Connector: A-02 <R.H.drive vehicles>

A-02 (GR)

A-02 Harness
connector
(harness side)

TROUBLESHOOTING

TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM

35C-30

STEP 11. Check TCL/ASC-ECU connector A-04 
and wheel speed sensor <front: LH> connector 
A-05 for loose, corroded or damaged terminals, 
or terminals pushed back in the connector.

Q: Is the check result normal?

YES : 

Open or short circuit may be present in the 

front right wheel speed sensor circuit. 
Repair the wiring harness between 
TCL/ASC-ECU connector A-04 (terminals 
45 and 46) and front left wheel speed 
sensor A-05 (terminals 1 and 2). Then go to 
Step 15.

NO : 

Repair or replace the damaged 
component(s). Then go to Step 15.

AC312621

Oil reservoir

Connector: A-04

AB

A-04

Hydraulic unit
(with built-in TCL/ASC-ECU)

A-04 Harness connector
(harness side)

AC312617AB

Connector: A-05 <L.H.drive vehicles>

A-05 (GR)

A-05 Harness
connector
(harness side)

AC312619AB

Connector: A-05 <R.H.drive vehicles>

A-05 (GR)

A-05 Harness
connector
(harness side)

TROUBLESHOOTING

TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM

35C-31

STEP 12. Check TCL/ASC-ECU connector A-04, 
intermediate connector C-16, C-124, D-28 and 
wheel speed sensor <rear: RH> connector D-06 
for loose, corroded or damaged terminals, or 
terminals pushed back in the connector.

TROUBLESHOOTING

TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM

35C-32

Q: Is the check result normal?

YES : 

Open or short circuit may be present in the 

rear right wheel speed sensor circuit. Repair 
the wiring harness between TCL/ASC-ECU 
connector A-04 (terminals 42 and 43) and 
rear right wheel speed sensor D-06 
(terminals 2 and 1). Then go to Step 15.

NO : 

Repair or replace the damaged 
component(s). Then go to Step 15.

AC312621

Oil reservoir

Connector: A-04

AB

A-04

Hydraulic unit
(with built-in TCL/ASC-ECU)

A-04 Harness connector
(harness side)

AC312624

Connectors: C-16, C-124 <L.H.drive vehicles>

C-16

AB

C-124

AC312625

Connectors: C-16, C-124 <R.H.drive vehicles>

C-16

AB

C-124

AC312622

Connectors: D-06, D-14, D-28
<L.H.drive vehicles>

D-06 (B)

AB

D-14 (B)

D-28

D-06 Harness
connector
(harness side)

AC312623

Connectors: D-06, D-14, D-28
<R.H.drive vehicles>

D-06 (B)

AB

D-14 (B)

D-28

D-06 Harness
connector
(harness side)