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Diagnosis Procedure
1. CHECK SUNROOF SWITCH INPUT SIGNAL
  1. Ignition switch OFF.
  2. Disconnect sunroof switch assembly connector.
  3. Ignition switch ON.
  4. Check voltage between sunroof switch assembly harness connector and ground.
    (+)(–)Voltage
    Sunroof switch assembly
    ConnectorTerminal
    R212Ground9 - 16 V
    8
    9
Is the inspection result normal?
.
.
 
2.CHECK SUNROOF SWITCH CIRCUIT
  1. Ignition switch OFF.
  2. Disconnect sunroof motor assembly connector.
  3. Check continuity between sunroof motor assembly harness connector and sunroof switch assembly harness connector.
    Sunroof motor assemblySunroof switch assemblyContinuity
    ConnectorTerminal ConnectorTerminal
    R44R212Existed
    59
    108
  4. Check continuity between sunroof switch assembly harness connector and ground.
    Sunroof switch assembly—Continuity
    ConnectorTerminal
    R212GroundNot existed
    8
    9
Is the inspection result normal?
Replace sunroof motor assembly. Refer to Removal and Installation.
Repair or replace harness.
 
3.CHECK SUNROOF SWITCH GROUND CIRCUIT
  1. Ignition switch OFF.
  2. Check continuity between sunroof switch assembly harness connector and ground.
    Sunroof switch assembly—Continuity
    ConnectorTerminal
    R2110GroundExisted
Is the inspection result normal?
.
Repair or replace the harness.
 
4.CHECK SUNROOF SWITCH
Check sunroof switch.
Refer to Component Inspection.
Is the inspection result normal?
INSPECTION END
Replace sunroof switch assembly. Refer to Removal and Installation.