Mitsubishi Grandis. Manual - part 118

 

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Mitsubishi Grandis. Manual - part 118

 

 

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-469

Inspection Procedure Q-14: All the door switch signals are not received.

CAUTION

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

Door Switches Input Circuit <LHD>

DOOR 
SWITCH 
(FRONT: RH)

DOOR 
SWITCH 
(REAR: RH)

DOOR 
SWITCH 
(FRONT: LH)

DOOR 
SWITCH 
(REAR: LH)

ETACS-ECU

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

J/B SIDE

TAILGATE
SWITCH

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-470

COMMENTS ON TROUBLE SYMPTOM

Input signals from all the door switches and tailgate 
switch are used to operate the functions below. If the 
signal(s) are abnormal, these functions will not work 
normally.

• Keyless entry system

• Room lamps

POSSIBLE CAUSES

• Malfunction of the door switches

• Malfunction of the tailgate switch

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

DIAGNOSTIC PROCEDURE

Step 1. Pulse check
Check the input signal from the driver's door switch.

OK: The MUT-III sounds or the voltmeter 
needle fluctuates.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Refer to inspection procedure Q-5 "The 
driver's door switch signal is not received 
<LH drive vehicles> 

P.54B-434

  or <RH 

drive vehicles> 

P.54B-436

 ."

Door Switches Input Circuit <RHD>

DOOR 
SWITCH 
(FRONT: LH)

DOOR 
SWITCH 
(REAR: RH)

DOOR 
SWITCH 
(FRONT: RH)

DOOR 
SWITCH 
(REAR: LH)

ETACS-ECU

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

J/B SIDE

TAILGATE
SWITCH

System switch

Check conditions

Driver's door switch

When the driver's door is 
opened

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-471

Step 2. Connector check: D-17 (front: LH), D-02 
(front: RH), D-08 (rear: RH) or D-13 (rear: LH) 
door switch connectors or G-18 tailgate switch 
connector, and C-219, C-220 and C-221 
ETACS-ECU connector

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-472

AC312054

Connectors: D-13, D-17

D-13

AB

D-17

Harness side

D-17

D-13

<LHD>

AC312054

Connectors: D-13, D-17

D-13

AC

D-17

Harness side

D-17

D-13

<RHD>

AC312052

Connectors: D-02, D-08

D-02

AB

D-08

<LHD>

D-02

D-08

Harness side

AC312059

Connectors: D-02, D-08

D-02

AB

D-02

D-08

D-08

Harness side

<RHD>

 

 

 

 

 

 

 

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