Mitsubishi Grandis. Manual — part 59

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-233

Step 8. Check the wiring harness between C-219
ETACS-ECU connector terminal No.16 and G-05
rear wiper motor connector terminal No.3.

NOTE:

Prior to the wiring harness inspection, check
intermediate connector G-14 and junction block
connectors C-210, and repair if necessary.

• Check the output line.

Q: 1Is the check result normal?

YES :

Go to Step 9.

NO :

Repair the wiring harness.

Step 9. Retest the system.
Check that the rear wiper works normally.

Q: Is the check result normal?

YES :

The trouble can be an intermittent

malfunction (Refer to GROUP 00

− How to

Cope with Intermittent Malfunction

P.00-5

).

NO :

Replace the ETACS-ECU.

AC310626AD

Connector: C-219 <LHD>
Junction block (Rear view)

Junction block side

AC310620

Connector: C-219

Junction block
(Rear view)

<RHD>

AB

Junction block side

AC310222

Connector: G-05

AH

Harness side

AC310623

Connector: C-210

AN

<LHD>

Junction block (Front view)

Harness side

AC310618

Connector: C-210 <RHD>

AO

Junction block (Front view)

Harness side

AC310222

Connector: G-14

AF

2

1

4

3

13

8

11

10

5

7

12

6

14

9

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-234

Inspection Procedure H-2: The rear wiper does not stop at the specified park position.

CAUTION

Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If the rear wiper does not stop normally within the
predetermined range, the rear wiper motor or the
ETACS-ECU may be defective.

POSSIBLE CAUSES

• Malfunction of the rear wiper motor

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

IGNITION
SWITCH (ACC)

REAR
WIPER
RELAY

REAR WIPER
MOTOR

ETACS-
ECU

J/B SIDE

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet

Rear Wiper Auto-stop Signal Input

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-235

Step 1. Connector check: G-05 rear wiper motor
connector

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Repair the connector.

Step 2. Check the rear wiper motor.
Refer to GROUP 51

− Rear wiper and washer

P.51-32

.

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Replace the rear wiper motor.

Step 3. Voltage measurement at the G-05 rear
wiper motor connector.

(1) Disconnect the connector, and measure at the

wiring harness side.

(2) Ignition switch: ACC

(3) Check the voltage between G-05 rear wiper

motor connector terminal No.1 and body earth

OK: System voltage

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Go to Step 4.

AC310222

Connector: G-05

AH

Harness side

AC310222

Connector: G-05

AH

Harness side

AC310507 EL

Connector G-05
(Harness side)

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-236

Step 4. Check the wiring harness between
ignition switch (ACC) and G-05 rear wiper motor
connector terminal No.1.

NOTE:

AC310222

Connector: G-05

AH

Harness side