Mitsubishi Grandis. Manual - part 257

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-490

Step 2. Connector check: E-05 sunroof switch 
connector

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the defective connector.

Step 3. Check the sunroof switch.

Refer to GROUP 42 

− Sunroof 

P.42-66

.

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Replace the sunroof switch.

Step 4. Resistance measurement at the E-05 
sunroof switch connector.

(1) Disconnect the connector, and measure at the 

wiring harness side.

(2) Continuity between E-05 sunroof switch 

connector terminal No.2 and body earth

OK: 2 

Ω or less

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Go to Step 5.

AC312062

AB

Harness side

Connector: E-05 <LHD>

AC312067

AB

Harness side

Connector: E-05 <RHD>

AC312062

AB

Harness side

Connector: E-05 <LHD>

AC312067

AB

Harness side

Connector: E-05 <RHD>

AC312730AN

Connector E-05
(Harness side)

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-491

Step 5. Check the wiring harness between E-05 
sunroof motor switch connector terminal No.2 
and body earth.

• Check the earth wires for open circuit.

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 : 

Repair the wiring harness.

Step 6. Connector check: E-07 sunroof motor 
assembly connector

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair the defective connector.

AC312062

AB

Harness side

Connector: E-05 <LHD>

AC312067

AB

Harness side

Connector: E-05 <RHD>

AC312062

AC

Harness side

Connector: E-07 <LHD>

AC312067

AC

Harness side

Connector: E-07 <RHD>

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-492

Step 7. Check the wiring harness from E-07 
sunroof motor assembly connector terminal 
Nos.6 and 8 to E-05 sunroof switch connector 
terminal Nos.3 and 1.

• Check the input line for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Repair the wiring harness.

Step 8. Confirm communication data by using the 
SWS monitor.
<Selected item> SUNROOF ECU

• Operate the sunroof switch.

OK: Normal condition is displayed.

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 sunroof motor assembly.

AC312062

AB

Harness side

Connector: E-05 <LHD>

AC312067

AB

Harness side

Connector: E-05 <RHD>

AC312062

AC

Harness side

Connector: E-07 <LHD>

AC312067

AC

Harness side

Connector: E-07 <RHD>

Item No.

Item name

Normal conditions

Item 72

S/R ECU ACK INPUT CHECK (only 

momentarily when 
switch is operated)

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-493

Inspection Procedure Q-11: The key reminder switch signal is not received.

CAUTION

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

COMMENTS ON TROUBLE SYMPTOM

Input signal from the key reminder switch is used to 
operate the functions below. If the signal is abnormal, 
these functions will not work normally.

• Keyless entry system

• Keyless entry hazard answerback

• Ignition key cylinder illumination lamp

• Interior lamps

POSSIBLE CAUSES

• Malfunction of the key reminder switch

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

ETACS-
ECU

KEY
REMINDER
SWITCH

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

WHEN REMOVING
KEY: ON

Key Reminder Switch Input Circuit