Mitsubishi Montero (2002-2004). Manual — part 309

SYMPTOM PROCEDURES

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SWS SYMPTOM PROCEDURES

54Bb-283

STEP 2. Check the input signal by using "FUNCTION
DIAG." menu of the SWS monitor.
Set each switch to the following condition before checking input
signals from the rear washer switch:

• Ignition switch: ACC

• Rear washer switch: ON

CAUTION

To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector

(16-pin).

(2) Connect SWS monitor kit MB991862 to the data link

connector (13-pin).

(3) Operate scan tool MB991502 according to the procedure

below to display "REAR WASHER."

1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "FUNCTION DIAG."
5. Select "REAR WIPER."
6. Select "REAR WASHER."

(4) Check that normal conditions are displayed on the item

described in the table below.

Q: Are normal conditions displayed?

YES : Go to Step 3.
NO : Refer to Inspection Procedure O-7 "ETACS-ECU

does not receive a signal from the rear washer switch

P.54Bc-33

."

ITEM NO. ITEM NAME

NORMAL CONDITION

ITEM 14

REAR WASH.SW ON

AC204222AB

16-pin

13-pin

MB991502

MB991862

SYMPTOM PROCEDURES

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SWS SYMPTOM PROCEDURES

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STEP 3. Check the rear washer motor.
(1) Disconnect rear washer motor connector I-08.
(2) Fill the washer tank with washer fluid.

(3) Connect rear washer motor connector terminal 2 to the

positive battery terminal, and terminal 1 to the negative
battery terminal, respectively. Washer fluid should spray
out.

Q: Does the rear washer motor operate normally?

YES : Go to Step 4.
NO : Replace the rear washer motor. Verify that the rear

washer works normally.

STEP 4. Check the ground circuit to the rear washer motor.
Test at rear washer motor connector I-08.
(1) Disconnect rear washer motor connector I-08 and measure

the resistance available at the wiring harness side of the
connector.

(2) Measure the resistance value between terminal 1 and

ground.

• The resistance should equal 2 ohm or less.

Q: Is the measured resistance 2 ohms or less?

YES : Go to Step 7.
NO : Go to Step 5.

ACX02293 AS

CONNECTOR: I-08

I-08 (B)

I-08 (B)

2

1

1

2

ACX00455

ACX02293 AS

CONNECTOR: I-08

I-08 (B)

I-08 (B)

2

1

AC200953

2

1

AD

CONNECTOR I-08
(HARNESS SIDE)

SYMPTOM PROCEDURES

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SWS SYMPTOM PROCEDURES

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STEP 5. Check rear washer motor connector I-08 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is rear washer motor connector I-08 in good condition?

YES : Go to Step 6.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. Verify that the rear washer works normally.

STEP 6. Check the wiring harness between rear washer
motor connector I-08 (terminal 1) and ground.
Q: Is the wiring harness between rear washer motor

connector I-08 (terminal 1) and ground in good
condition?
YES : No action is necessary and testing is complete.
NO : The wiring harness may be damaged or the connector

may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the
wiring harness as necessary. Verify that the rear
washer works normally.

ACX02293 AS

CONNECTOR: I-08

I-08 (B)

I-08 (B)

2

1

ACX02293 AT

CONNECTOR: I-08

I-08 (B)

2

1

(HARNESS SIDE)

I-08 (B)

SYMPTOM PROCEDURES

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SWS SYMPTOM PROCEDURES

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STEP 7. Check rear washer motor connector I-08 and
ETACS-ECU connector D-222 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are rear washer motor connector I-08 and ETACS-ECU

connector D-222 in good condition?
YES : Go to Step 8.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. Verify that the rear washer works normally.

ACX02293 AT

CONNECTOR: I-08

I-08 (B)

2

1

(HARNESS SIDE)

I-08 (B)

AC203853

CONNECTOR: D-222

AC

JUNCTION BLOCK (REAR VIEW)

D-222

(HARNESS SIDE)