Mitsubishi Grandis. Manual — part 49
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-193
Inspection Procedure F-2: Any of the sunroof switch positions is defective.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If any of the sunroof switch positions is defective, the
communication line between the sunroof switch and
the sunroof motor assembly (sunroof-ECU) may be
defective.
POSSIBLE CAUSES
• Malfunction of the sunroof switch
• Malfunction of the sunroof motor assembly
(sunroof-ECU)
• Damaged harness wires and connectors
Sunroof Switch Circuit
SUNROOF-ECU
SUNROOF
SWITCH
SUNROOF MOTOR
ASSEMBLY
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
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-194
DIAGNOSTIC PROCEDURE
Step 1. Connector check: E-05 sunroof switch
connector
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Repair the connector.
Step 2. Check the sunroof switch.
Refer to GROUP 42
− Sunroof
.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Replace the sunroof switch.
Step 3. Connector check: E-07 sunroof motor
assembly connector
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Repair the connector.
Step 4. Retest the system.
Q: Which switch position is defective?
"OPEN" :
Go to Step 5.
"CLOSE" :
Go to Step 6.
AC310651
AF
Connector: E-05
<LHD>
Harness side
AC310655
AG
Connector: E-05
<RHD>
Harness side
AC310651
Connector: E-07 <LHD>
AE
Harness side
AC310655
Connector: E-07 <RHD>
AF
Harness side
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-195
Step 5. Check the wiring harness between E-07
sunroof motor assembly connector terminal No.8
and E-05 sunroof switch connector terminal
No.1.
• Check the communication line for open circuit.
Q: Is the check result normal?
YES :
Replace the sunroof motor assembly.
NO :
Repair the wiring harness.
Step 6. Check the wiring harness between E-07
sunroof motor assembly connector terminal No.6
and E-05 sunroof switch connector terminal
No.3.
• Check the communication line for open circuit.
Q: Is the check result normal?
YES :
Replace the sunroof motor assembly.
NO :
Repair the wiring harness.
AC310652
AG
Connectors: E-05, E-07
Harness side
E-05
E-07
E-05
E-07
Harness side
<LHD>
AC310656
AF
Connectors: E-05, E-07
Harness side
E-05
E-07
Harness side
E-05
E-07
<RHD>
AC310652
AG
Connectors: E-05, E-07
Harness side
E-05
E-07
E-05
E-07
Harness side
<LHD>
AC310656
AF
Connectors: E-05, E-07
Harness side
E-05
E-07
Harness side
E-05
E-07
<RHD>
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-196
Inspection Procedure F-3: Sunroof timer function does not work normally.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
Sunroof Timer Function <LHD>
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
CONTROL CIRCUIT
IGNITION
SWITCH (IG2)
SUNROOF MOTOR
ASEEMBLY
ETACS-ECU
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