Mitsubishi Outlander (2013+). Manual - part 522

TAILGATE <VEHICLES WITH ELECTRIC TAILGATE>

BODY

42A-108

Inspection Procedure B-5: Neutral switch signal is not received.

CAUTION

Before replacing the ECU, ensure that the input 
and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

The wiring harness or its connector(s) between the 
neutral switch and the electric tailgate control unit, 
the tailgate latch itself or the electric tailgate control 
unit itself may be defective.

PROBABLE CAUSES

• Damaged tailgate latch

• Damaged electric tailgate control unit

• Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE

STEP 1. Neutral switch inspection
Check the tailgate latch (refer to 

P.42A-119

).

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Replace the tailgate latch.

STEP 2. Resistance measurement at tailgate 
latch connector (neutral switch earth line 
terminal).
(1) Disconnect the connector, and measure at the 

wiring harness side.

(2) Measure the resistance between tailgate latch 

connector (neutral switch earth line terminal) and 
body earth.

OK: Continuity exists (2 

Ω or less).

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Go to Step 3.

STEP 3. Check of open circuit in earth line 
between tailgate latch connector (neutral switch 
terminal) and body earth.

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Repair the connector(s) or wiring harness.

STEP 4. Check of open circuit in NTL line 
between electric tailgate control unit connector 
and tailgate latch connector.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the connector(s) or wiring harness.

STEP 5. System retest
Check that the neutral switch signal is received nor-
mally.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Use 

Troubleshooting/Inspection Service Points - 
How to Cope with Intermittent Malfunction .)

NO : 

Go to Step 6.

STEP 6. After the replacement of tailgate latch, 
recheck the trouble symptom.
(1) Replace the tailgate latch.
(2) Check that the neutral switch signal is received 

normally.

Q: Is the check result normal?

YES : 

The procedure is complete.

NO : 

Replace the electric tailgate control unit.

Inspection Procedure B-6: Half latch switch and/or full latch switch signals are not received.

CAUTION

Before replacing the ECU, ensure that the input 
and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

There may be a malfunction in one of the followings; 
the wiring harness or its connector(s) between the 
electric tailgate control unit and the half latch switch, 
the wiring harness or its connector(s) between the 
electric tailgate control unit and the full latch switch, 
the tailgate latch switch itself or the electric tailgate 

control unit itself.

PROBABLE CAUSES

• Damaged tailgate latch

• Damaged electric tailgate control unit

• Damaged wiring harness and connectors

TAILGATE <VEHICLES WITH ELECTRIC TAILGATE>

BODY

42A-109

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III data list
(1) Disconnect the negative battery terminal and wait 

for approximately 30 seconds.

(2) Check the signals related to the electric tailgate 

operation.

• Half latch switch: OFF → ON

•

Item No.

Item name

Normal 
conditions

Item 5

Half-latch SW

OFF 

→ ON

Item 6

Full-latch SW

OFF 

→ ON

Full latch switch: OFF 

→ ON

OK: Normal conditions are displayed for 
all the items.

Q: Is the check result normal?

All are normal. : 

Go to Step 9.

Normal condition is not displayed for items 5 and 
6. : 

Go to Step 2.

Normal condition is not displayed for item No. 5. : 

Go to Step 5.

Normal condition is not displayed for item No. 6. : 

Go to Step 7.

STEP 2. Half-latch and full-latch switches check
Check the tailgate latch (refer to 

P.42A-119

).

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Replace the tailgate latch.

STEP 3. Resistance measurement at tailgate 
latch connector (half-latch switch/full latch 
switch earth line terminal).
(1) Disconnect the connector, and measure at the 

wiring harness side.

(2) Measure the resistance between tailgate latch 

connector (half-latch switch/full latch switch earth 
line terminal) and body earth.

OK: Continuity exists (2 

Ω or less).

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Use 

Troubleshooting/Inspection Service Points - 
How to Cope with Intermittent Malfunction .)

NO : 

Go to Step 4.

STEP 4. Check of open circuit in earth line 
between tailgate latch connector (half-latch 
switch/full latch switch terminal) and body earth.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair the connector(s) or wiring harness.

STEP 5. Half-latch switch check
Check the tailgate latch (refer to 

P.42A-119

).

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Replace the tailgate latch.

STEP 6. Check of open circuit in HARF line 
between electric tailgate control unit connector 
and tailgate latch connector.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair the connector(s) or wiring harness.

STEP 7. Full-latch switch check
Check the tailgate latch (refer to 

P.42A-119

).

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Replace the tailgate latch.

STEP 8. Check of open circuit in FULL line 
between electric tailgate control unit connector 
and tailgate latch connector.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair the connector(s) or wiring harness.

STEP 9. System retest
Check whether the half latch switch and/or the full 
latch switch signal are received normally.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Use 

Troubleshooting/Inspection Service Points - 
How to Cope with Intermittent Malfunction .)

NO : 

Go to Step 10.

STEP 10. After the replacement of tailgate latch, 
recheck the trouble symptom.
(1) Replace the tailgate latch.
(2) Check whether the half latch switch and/or the full 

latch switch signal are received normally.

Q: Is the check result normal?

YES : 

The procedure is complete.

NO : 

Replace the electric tailgate control unit.

TAILGATE <VEHICLES WITH ELECTRIC TAILGATE>

BODY

42A-110

Inspection Procedure B-7: Tailgate sensor signal is not received.

CAUTION

Before replacing the ECU, ensure that the input 
and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

The wiring harness or its connector(s) between the 
tailgate sensor and the electric tailgate control unit, 
the tailgate sensor itself, or the electric tailgate con-
trol unit itself may have a problem.

PROBABLE CAUSES

• Tailgate sensor malfunction

• Damaged electric tailgate control unit

• Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III data list
(1) Disconnect the negative battery terminal and wait 

for approximately 30 seconds.

(2) Check the signals related to the electric tailgate 

operation.

• Tailgate sensor (left): OFF → ON

•

Item No.

Item name

Normal 
conditions

Item 9

Touch sensor (left)

OFF 

→ ON

Item 10

Touch sensor (right) OFF 

→ ON

Tailgate sensor (right): OFF 

→ ON

OK: Normal conditions are displayed for 
all the items.

Q: Is the check result normal?

All are normal. : 

Go to Step 7.

Normal condition is not displayed for items 9 and 
10. : 

Go to Step 2.

Normal condition is not displayed for item No. 9. : 

Go to Step 3.

Normal condition is not displayed for item No. 10. : 

Go to Step 5.

STEP 2. Check of open circuit in TSG line 
between electric tailgate control unit connector 
and tailgate sensor (LH) and (RH) connector.

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair the connector(s) or wiring harness.

STEP 3. Tailgate sensor (LH) check.
Check the tailgate sensor (LH) (refer to 

P.42A-119

).

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Replace the tailgate sensor (LH).

STEP 4. Check of short to power supply, short to 
earth, and open circuit in TSL line between 
electric tailgate control unit connector and 
tailgate sensor (LH) connector.

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair the connector(s) or wiring harness.

STEP 5. Tailgate sensor (RH) check.
Check the tailgate sensor (RH) (refer to 

P.42A-119

).

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Replace the tailgate sensor (RH).

STEP 6. Check of short to power supply, short to 
earth, and open circuit in TSR line between 
electric tailgate control unit connector and 
tailgate sensor (RH) connector.

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair the connector(s) or wiring harness.

STEP 7. System retest
Check that the tailgate sensor signal is received nor-
mally.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Use 

Troubleshooting/Inspection Service Points - 
How to Cope with Intermittent Malfunction .)

NO : 

Replace the electric tailgate control unit.

TAILGATE <VEHICLES WITH ELECTRIC TAILGATE>

BODY

42A-111

Inspection Procedure B-8: Electric tailgate switch signal is not received.

CAUTION

Before replacing the ECU, ensure that the input 
and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

The wiring harness or its connector(s) between the 
electric tailgate switch and the electric tailgate control 
unit, the electric tailgate switch itself or the electric 
tailgate control unit itself may have a problem.

PROBABLE CAUSES

• Malfunction of electric tailgate switch

• Damaged electric tailgate control unit

• Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE

STEP 1. Electric tailgate switch check
Check the electric tailgate switch (refer to 

P.42A-119

).

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Replace the electric tailgate switch.

STEP 2. Resistance measurement at electric 
tailgate switch connector.
(1) Disconnect the connector, and measure at the 

wiring harness side.

(2) Measure the resistance between electric tailgate 

switch connecter and body earth.

OK: Continuity exists (10 

Ω or less)

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Go to Step 3.

STEP 3. Check of open circuit in earth line 
between electric tailgate switch connector and 
body earth.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Use 

Troubleshooting/Inspection Service Points - 
How to Cope with Intermittent Malfunction .)

NO : 

Repair the connector(s) or wiring harness.

STEP 4. Check of open circuit in (OPSW) line 
between electric tailgate control unit connector 
and electric tailgate switch connector.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the connector(s) or wiring harness.

STEP 5. System retest
Check whether the electric tailgate switch signal is 
received normally.

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Use 

Troubleshooting/Inspection Service Points - 
How to Cope with Intermittent Malfunction .)

NO : 

Replace the electric tailgate control unit.

CHECK AT ECU TERMINAL

M1424008300043

ELECTRIC TAILGATE CONTROL UNIT 
TERMINAL INSPECTION

ACC00106

Terminal 
number

Terminal 
code

Check items

Check conditions

Normal conditions

1

BAT1

Battery power supply

Always

Battery voltage

2

GND1

Earth

Always

1 V or less

3

BAT2

Battery power supply

Always

System voltage

4

FULL

Tailgate latch (full latch switch) 
input

Electric tailgate: Overrun 
position

1 V or less

5

IG12

Ignition switch power supply

Ignition switch: ON

System voltage