Mitsubishi L200. Manual — part 717

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-235

STEP 2. Connector check: radio and CD player
connector C-125.

Q: Is radio and CD player connector C-125 in good

condition?
YES :

Go to Step 3.

NO :

Repair or replace the component(s). If the
power switch is turned on, the radio and CD
player should operate normally.

STEP 3. Voltage measurement at radio and CD
player connector C-125 in order to check the
battery circuit of power supply system to the
radio and CD player (ignition switch ACC).

(1) Disconnect radio and CD player connector C-

125, and measure at the wiring harness side.

(2) Turn the ignition switch to "ACC" position.

(3) Measure the voltage between terminal 10 and

earth.

OK: System voltage

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Go to Step 4.

AC903856AE

Harness side

Connector: C-125 <LHD>

AC903868

AE

Harness side

Connector: C-125 <RHD>

AC903856AE

Harness side

Connector: C-125 <LHD>

AC903868

AE

Harness side

Connector: C-125 <RHD>

AC402679

Connector C-125
(Harness side)

BV

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-236

STEP 4. Check the wiring harness between radio
and CD player connector C-125 (terminal 10) and
ignition switch (ACC).

• Check the power supply line for open circuit and

short circuit.

NOTE:

Prior to the wiring harness inspection, check joint
connector C-127 and junction block connectors C-
207, C-208, and repair if necessary.

Q: Are the wiring harnesses between radio and CD

player connector C-125 (terminal 10) and ignition
switch (ACC) in good condition?
YES :

Refer to ignition switch (

P.54A-22

).

NO :

Repair or replace the damage
component(s). If the power switch is turned
on, the radio and CD player should operate
normally.

AC903856AE

Harness side

Connector: C-125 <LHD>

AC903868

AE

Harness side

Connector: C-125 <RHD>

AC903853

Connector: C-127 <LHD>

AE

C-127 (GR)

AC903865

Connector: C-127 <RHD>

AD

C-127 (GR)

AC509934

Connectors: C-207, C-208 <LHD>

Junction block (Front view)

C-207

C-208

C-208

C-207

AB

Harness side

Harness side

AC509936

Connectors: C-207, C-208 <RHD>

C-207

C-208

C-207

Harness side

Harness side

C-208

AB

Junction block
(Front view)

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-237

STEP 5. Connector check: C-107 radio and CD
player connector

Q: Is the check result normal?

YES :

Go to Step 6.

NO :

Repair the defective connector.

STEP 6. Resistance measurement at C-107 radio
and CD player connector

(1) Disconnect the connector, and measure at the

wiring harness side.

(2) Check the continuity between C-107 radio and

CD player connector terminal No.41 and the body
earth.

OK: Continuity exists (2

Ω or less)

Q: Is the check result normal?

YES :

Go to Step 8.

NO :

Go to Step 7.

STEP 7. Check the harness wire between C-107
radio and CD player terminal No.41 and the body
earth

• Check the earth wires for open circuit.

Q: Is the check result normal?

YES :

Go to Step 8.

NO :

Repair the wiring harness.

AC903856AF

Harness side

Connector: C-107 <LHD>

C-107 (B)

AC903868

AF

Harness side

Connector: C-107 <RHD>

C-107 (B)

AC903856AF

Harness side

Connector: C-107 <LHD>

C-107 (B)

AC903868

AF

Harness side

Connector: C-107 <RHD>

C-107 (B)

AC310506JP

Connector C-107
(Harness side)

AC903856AF

Harness side

Connector: C-107 <LHD>

C-107 (B)

AC903868

AF

Harness side

Connector: C-107 <RHD>

C-107 (B)

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-238

STEP 8. Replace the radio and CD player
temporarily, and check the trouble symptom.
Replace the radio and CD player temporarily, and
check that the sound is output from the speaker.

Q: Is the check result normal?

YES :

Replace the radio and CD player.

NO :

Perform the diagnosis again. Go to Step 1.