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Diagnosis Procedure
1. CHECK SUNSHADE 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
    R217Ground9 - 16 V
    12
Is the inspection result normal?
.
.
 
2.CHECK SUNSHADE SWITCH CIRCUIT
  1. Ignition switch OFF.
  2. Disconnect sunshade motor assembly connector.
  3. Check continuity between sunshade motor assembly harness connector and sunroof switch assembly harness connector.
    Sunshade motor assemblySunroof switch assemblyContinuity
    ConnectorTerminal ConnectorTerminal
    R55R217Existed
    1012
  4. Check continuity between sunroof switch assembly harness connector and ground.
    Sunroof switch assembly—Continuity
    ConnectorTerminal
    R217GroundNot existed
    12
Is the inspection result normal?
Replace sunshade motor assembly. Refer to Removal and Installation.
Repair or replace harness.
 
3.CHECK SUNSHADE 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 SUNSHADE SWITCH
Check sunshade switch.
Refer to Component Inspection.
Is the inspection result normal?
INSPECTION END.
Replace sunroof switch assembly. Refer to Removal and Installation.