Mitsubishi Grandis. Manual - part 373

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-111

Step 4. Check the wiring harness between front 
door speaker (LH) connector F-12 (terminal 1 and 
2) and radio and CD player connector C-20 
(terminals 5 and 13).

AC310614

BN

Connectors: C-20, C-27 <LHD>

C-27

C-32

C-27

Harness side

C-20

AC310631BB

Connector: C-20 <RHD>

Harness side

AC311150

AG

Connectors: F-12 <LHD>

Harness side

AC310211

AG

Connectors: F-12 <RHD>

Harness side

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-112

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connectors C-27, and repair if 
necessary.

Q: Is the wiring harness between front door speaker 

(LH) connector F-12 (terminal 1 and 2) and radio 
and CD player connector C-20 (terminal 5 and 13) 
in good condition?

YES : 

Repair or replace the radio and CD player. 

The front door speaker (LH) should sound.

NO : 

Repair or replace the damage 
component(s). The front door speaker (LH) 
should sound.

Step 5. Check the front door speaker (RH).
(1) Remove the front door speaker (RH). Refer to 

P.54A-139

.

(2) Check that the front door speaker (RH) generates 

noise when a five-volt voltage is applied on the 
front door speaker (RH) terminal.

Q: Is the front door speaker (RH) generating noise?

YES : 

Go to Step 6.

NO : 

Replace the front door speaker (RH). The 
front door speaker (RH) should sound. 

Step 6. Connector check: Front door speaker 
(RH) connector F-21 and radio and CD player 
connector C-20.

Q: Are harness connectors F-21 and C-20 in good 

condition?

YES : 

Go to Step 7.

NO : 

Repair or replace the damage 
component(s). The front door speaker (RH) 
should sound.

AC310628AN

Connector: C-27 <RHD>

ACX01868

AC310613

BF

Connector: C-20 <LHD>

Harness side

AC310631BB

Connector: C-20 <RHD>

Harness side

AC311150

AG

Connectors: F-12 <LHD>

Harness side

AC310211

AG

Connectors: F-12 <RHD>

Harness side

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-113

Step 7. Check the wiring harness between front 
door speaker (RH) connector F-21 (terminal 1 and 
2) and radio and CD player connector C-20 
(terminal 6 and 14).

AC310613

BF

Connector: C-20 <LHD>

Harness side

AC310632 BF

Connectors: C-14, C-20 <RHD>

C-14

C-14

C-20

C-20

Harness side

AC311150

AG

Connectors: F-12 <LHD>

Harness side

AC310211

AG

Connectors: F-12 <RHD>

Harness side

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-114

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connector C-14, and repair if necessary.

Q: Is the wiring harness between front door speaker 

(RH) connector F-21 (terminal 1 and 2) and radio 
and CD player connector C-20 (terminal 6 and 14) 
in good condition?

YES : 

Repair or replace the radio and CD player. 

The front door speaker (RH) should sound.

NO : 

Repair the wiring harness. The front door 
speaker (RH) should sound.

Step 8. Check the tweeter (LH).

(1) Remove the tweeter (LH). Refer to 

P.54A-139

.

(2) Check that the tweeter (LH) generates noise 

when a five-volt voltage is applied on the tweeter 
(LH) terminal.

Q: Is the tweeter (LH) generating noise?

YES : 

Go to Step 9.

NO : 

Replace the tweeter (LH). The tweeter (LH) 
should sound.

Step 9. Connector check: Tweeter (LH) connector 
F-06 and radio and CD player connector C-20

Q: Are harness connectors F-06 and C-20 in good 

condition?

YES : 

Go to Step 10.

NO : 

Repair or replace the damage 
component(s). The tweeter (LH) should 
sound.

AC310615

AB

Connector: C-14 <LHD>

ACX01868

AC310613

BF

Connector: C-20 <LHD>

Harness side

AC310631BB

Connector: C-20 <RHD>

Harness side

AC311150

AH

Connectors: F-06 <LHD>

Harness side

AC310211

AK

Connectors: F-06 <RHD>

Harness side