Mitsubishi L200. Manual — part 663

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-19

STEP 7. Voltage measurement at C-301 key
reminder switch connector

(1) Disconnect the connector, and measure at the

wiring harness side.

(2) Voltage between C-301 power window main

switch connector terminal No.2 and body earth.

OK: System voltage

Q: Is the check result normal?

YES :

Go to Step 9.

NO :

Go to Step 8.

AC903858AB

Harness side

Connector: C-301 <LHD>

AC903869AB

Harness side

Connector: C-301 <RHD>

AC402679

Connector C-301
(Harness side)

CA

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-20

STEP 8. Check the wiring harness from C-301 key
reminder switch connector terminal No.2 to
fusible link (20).

Check the power supply line for open circuit.
NOTE:

Prior to the wiring harness inspection, check joint
connectors C-132, and junction block connector C-
209 and C-213, and repair if necessary.

Q: Is the check result normal?

YES :

Go to Step 11.

NO :

Repair the wiring harness.

AC903858AB

Harness side

Connector: C-301 <LHD>

AC903869AB

Harness side

Connector: C-301 <RHD>

AC903853

Connector: C-132 <LHD>

AC

C-132 (GR)

AC903865

Connector: C-132 <RHD>

AB

C-132 (GR)

AC509934

Connectors: C-209, C-213 <LHD>

Junction block (Front view)

C-213

C-209

C-213

C-209

AC

Harness side

Harness side

AC509936

Connectors: C-209, C-213 <RHD>

C-213

C-209

AC

Junction block
(Front view)

C-213

C-209

Harness side Harness side

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-21

STEP 9. Connector check: C-219 ETACS-ECU
connector

Q: Is the check result normal?

YES :

Go to Step 10.

NO :

Repair the defective connector.

STEP 10. Check the wiring harness from C-219
ETACS-ECU connector terminal No.62 to C-301
key reminder switch connector terminal No.1.

Check the input line for open circuit or short circuit.

Q: Is the check result normal?

YES :

Go to Step 11.

NO :

Repair the wiring harness.

AC509934

Connector: C-219 <LHD>

CU

C-219 (GR)

Harness side

Junction block (Front view)

AC509943

Connector: C-219 <RHD>

AB

C-219 (GR)

Harness side

Junction block
(Rear view)

AC509934

Connector: C-219 <LHD>

CU

C-219 (GR)

Harness side

Junction block (Front view)

AC509943

Connector: C-219 <RHD>

AB

C-219 (GR)

Harness side

Junction block
(Rear view)

AC903858AB

Harness side

Connector: C-301 <LHD>

AC903869AB

Harness side

Connector: C-301 <RHD>

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-22

STEP 11. Retest the system.
Check that the ignition key cylinder illumination lamp
illuminates or extinguishes 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 ).

NO :

Replace the ETACS-ECU and register the
ID codes (Refer to

P.54A-39

).

Inspection Procedure 2: Malfunction of the ignition switch power supply system

CAUTION

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

COMMENTS ON TROUBLE SYMPTOM
When the power supply system of ignition switch has
a problem, none of the equipment and system con-
nected to the ignition switch works even if the ignition
switch is operated.

POSSIBLE CAUSES

• Malfunction of the ignition switch

• Damaged harness wires and connectors

IGNITION
SWITCH

FUSIBLE
LINK

3

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

Ignition Switch Power Source Circuit