Mitsubishi Lancer Evolution IX. Manual — part 172

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-251

DIAGNOSTIC PROCEDURE

Step 1. Connector check: C-206 column switch
connector

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Repair the defective connector.

Step 2. Resistance measurement at the C-206
column switch connector

(1) Disconnect the connector, and measure at the

column switch side.

(2) Resistance between C-206 column switch

connector terminal No.6 and body earth

OK: The resistance should rise from 0 to
1 k

Ω when the windshield intermittent

wiper volume is rotated from "Fast" to
"Slow".

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Replace the column switch.

AC310479

AB

Connector: C-206
<LHD>

Harness side

AC310481AB

Harness side

Connector: C-206
<RHD>

AC310479

AB

Connector: C-206
<LHD>

Harness side

AC310481AB

Harness side

Connector: C-206
<RHD>

AC301541GV

Connector C-206
(Harness side)

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-252

Step 3. Connector check: C-228 ETACS-ECU
connector

Q: Is the check result normal?

YES :

Go to Step 4.

NO :

Repair the defective connector.

Step 4. Check the wiring harness between C-206

column switch connector terminal No.6 and

C-228 ETACS-ECU connector terminal No.66.

• Check the input line for open circuit.

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Repair the wiring harness.

AC310450

Connector: C-228

AE

Junction block (rear view)

Harness side

C-228(GR)

<LHD>

AC310461

Junction block (rear view)

Connector: C-228

AD

<RHD>

C-228(GR)

Harness side

AC310450

Connector: C-228

AE

Junction block (rear view)

Harness side

C-228(GR)

<LHD>

AC310461

Junction block (rear view)

Connector: C-228

AD

<RHD>

C-228(GR)

Harness side

AC310479

AB

Connector: C-206
<LHD>

Harness side

AC310481AB

Harness side

Connector: C-206
<RHD>

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-253

Step 5. Retest the system.
Check that the windshield intermittent wiper volume
is sending a correct signal.

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.

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-254

INSPECTION PROCEDURE L-7: When the power window main switch is operated, the switch signals
are not received.

CAUTION

Whenever the ECU is replaced, ensure that the
input signal circuit is normal.

J/B SIDE

POWER
WINDOW RELAY

ETACS-ECU

POWER WINDOW
MAIN SWITCH

CPU

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

FUSIBLE
LINK

5

Power Window Main Switch Circuit