Mitsubishi Grandis. Manual - part 901

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-19

STEP 12. Check ABS-ECU connector A-03, 
intermediate connector C-16, C-124, D-28 and 
wheel speed sensor <rear: LH> connector D-14 
for loose, corroded or damaged terminals, or 
terminals pushed back in the connector.

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-20

Q: Is the check result normal?

YES : 

Go to Step 13.

NO : 

Repair or replace the damaged 
component(s). Then go to Step 16.

AC312621

Oil reservoir

Connector: A-03

AC

A-03

Hydraulic unit
(with built-in ABS-ECU)

A-03 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)

AD

D-14 (B)

D-28

D-14 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-14 Harness
connector
(harness side)

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-21

STEP 13. Check the harness wires between 
ABS-ECU connector A-03 (terminal 2, 3) and 
wheel speed sensor <rear: LH> connector D-14 
(terminal 2, 1).

Q: Is the check result normal?

YES : 

Go to Step 14.

NO : 

Repair the wiring harness. Then go to Step 
16.

STEP 14. Inspect the wheel speed sensor.

Check the wheel speed sensor relevant to the 
diagnosis code. For the applicable inspection 
procedure, refer to 

P.35B-81

.

• When code No.C1200 is set: Front right wheel 

speed sensor

• When code No.C1205 is set: Front left wheel 

speed sensor

• When code No.C1210 is set: Rear right wheel 

speed sensor

• When code No.C1215 is set: Rear left wheel 

speed sensor

Q: Is the check result normal?

YES : 

It can be assumed that this malfunction is 

intermittent. Refer to GROUP 00, How to 
Use Troubleshooting/Inspection Service 
Points 

− How to Cope with Intermittent 

Malfunction 

P.00-5

.

NO : 

 Replace the wheel speed sensor. Then go 
to Step 16.

STEP 15. Check whether the diagnosis code is 
reset.

Check again if the diagnosis code is set.
(1) Turn the ignition switch to the "ON" position.
(2) Erase the diagnosis code.
(3) Turn the ignition switch to the "LOCK" (OFF) 

position.

(4) Turn the ignition switch to the "ON" position.
(5) Check if the diagnosis code is reset.
(6) Turn the ignition switch to the "LOCK" (OFF) 

position.

AC312621

Oil reservoir

Connector: A-03

AC

A-03

Hydraulic unit
(with built-in ABS-ECU)

A-03 Harness connector
(harness side)

AC312622

Connector: D-14 <L.H.drive vehicles>

D-14 (B)

AE

D-14 Harness
connector
(harness side)

AC312623

Connector: D-14 <R.H.drive vehicles>

D-14 (B)

AE

D-14 Harness
connector
(harness side)

AC302297

AC310120

AB

MB991827

16-pin

MB991910

MB991824

TROUBLESHOOTING

ANTI-SKID BRAKING SYSTEM (ABS)

35B-22

Q: Is code No.C1200, C1205, C1210 or C1215 set?

YES : 

Replace the hydraulic unit (integrated with 

ABS-ECU). Then go to Step 16.

NO : 

It can be assumed that this malfunction is 
intermittent. Refer to GROUP 00, How to 
Use Troubleshooting/Inspection Service 
Points 

− How to Cope with Intermittent 

Malfunction 

P.00-5

.

STEP 16. Check whether the diagnosis code is 
reset.

(1) Turn the ignition switch to the "ON" position.

(2) Erase the diagnosis code.
(3) Turn the ignition switch to the "LOCK" (OFF) 

position.

(4) Turn the ignition switch to the "ON" position.
(5) Check if the diagnosis code is set.
(6) Turn the ignition switch to the "LOCK" (OFF) 

position.

Q: Is code No.C1200, C1205, C1210 or C1215 set?

YES : 

Repeat the troubleshooting from Step 1.

NO : 

The procedure is complete.

AC302297

AC310120

AB

MB991827

16-pin

MB991910

MB991824