Mitsubishi Pajero Pinin 1999 - Page 618

BODY ± Sunroof
42-43
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE 1
The sunroof does not operate when the ignition switch is
turned to ON.
Probable cause
The cause may be a malfunction of a sunroof switch, sunroof-ECU power supply
circuit or earth circuit.
D Malfunction of sunroof switch
D Malfunction of sunroof-ECU
D Malfunction of wiring harness or connector
OK
Check trouble symptoms.
Check the following connectors: C-74, C-76, C-02, C-43, D-06
OK
Check trouble symptoms.
OK
Check trouble symptoms.
OK
Check trouble symptoms.
Check the harness wire, and repair if necessary.
D Between ignition switch (IG2) and sunroof-ECU
(2) NG
OK
Check trouble symptoms.
NG
Check the harness wire, and repair if necessary.
D Between fusible link No.3 and sunroof-ECU
OK
Measure at the sunroof-ECU connector D-06.
D Disconnect the connector and measure at the harness side.
D Continuity between 5 and body earth
OK: Continuity
OK
OK
OK
NG
OK
Replace the sunroof-ECU.
NG
Check the sunroof switch continuity. (Refer to P.42-49.)
Measure at the sunroof-ECU connector D-06.
D Disconnect the connector and measure at the harness side.
(1) Voltage between 1 and body earth
(2) Voltage between 3 and body earth
OK: System voltage
Measure at the sunroof-ECU connector D-06.
D Disconnect the connector and measure at the harness side.
D Ignition switch: ON
D Voltage between 2 and body earth
OK: System voltage
NG
NG
Repair
Measure at the sunroof-ECU connector D-06.
D Disconnect the connector and measure at the harness side.
(1) Continuity between 7 and body earth
OK: Continuity [Sunroof switch (UP) : ON]
(2) Continuity between 6 and body earth
OK: Continuity [Sunroof switch (CLOSE) : ON]
(3) Continuity between 8 and body earth
OK: Continuity [Sunroof switch (OPEN) : ON]
Check the following connectors: C-27, D-06
(1) NG
Check the following connectors: C-72, C-73, D-06
NG
Repair
NG
Check the harness wire, and repair if necessary.
D Between fusible link No.3 and sunroof-ECU
NG
Check the following connectors: D-06, C-73, C-75, C-01
NG
Repair
NG
Check the harness wire, and repair if necessary.
D Between ignition switch (IG2) and sunroof-ECU
Replace
Check the following connectors: D-06, D-08, C-73, C-75, C-01
NG
Repair
NG
Check the harness wire, and repair if necessary.
D Between sunroof-ECU and sunroof switch
D Between sunroof switch and earth
NG
Repair
NG