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Problem Symptoms Table

PROBLEM SYMPTOMS

Symptom Suspect Area See Section
Rear left side power seat system does not operate.
  1. ECU power source circuit
  2. Rear seat switch circuit
  3. Rear LH seat ECU
  1. CIRCUIT INSPECTION 
  2. REAR SEAT CONTROL SWITCH CIRCUIT
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
"Slide operation" does not operate.
  1. Rear seat switch circuit
  2. Motor circuit
  3. Position sensor circuit
  4. Rear LH seat ECU
  1. REAR SEAT CONTROL SWITCH CIRCUIT
  2. SLIDE POWER SEAT MOTOR CIRCUIT 
  3. SLIDE POSITION SENSOR CIRCUIT 
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
"Headrest operation" does not operate.
  1. Rear seat switch circuit
  2. Motor circuit
  3. Headrest limit switch circuit
  4. Position sensor circuit
  5. Rear LH seat ECU
  1. REAR SEAT CONTROL SWITCH CIRCUIT
  2. HEADREST MOTOR AND POSITION SENSOR CIRCUIT 
  3. HEADREST LIMIT SWITCH CIRCUIT 
  4. HEADREST MOTOR AND POSITION SENSOR CIRCUIT 
  5. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Seat position memory function does not operate.
  1. Rear seat switch circuit
  2. Rear seat memory switch
  3. Position sensor circuit
  4. Rear LH seat ECU
  5. Rear Door LH ECU
  1. REAR SEAT CONTROL SWITCH CIRCUIT
  2. REAR SEAT MEMORY SWITCH CIRCUIT (W/ MEMORY)
  3. SLIDE POSITION SENSOR CIRCUIT 
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
  5. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Seat position return function does not operate.
  1. Rear seat switch circuit
  2. Rear seat turn switch circuit
  3. Rear LH seat ECU
  4. Passenger side J/B ECU
  1. REAR SEAT CONTROL SWITCH CIRCUIT
  2. REAR SEAT RETURN SWITCH CIRCUIT
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Door open return function does not operate.
  1. Rear seat switch circuit
  2. Door courtesy switch circuit
  3. Rear LH seat ECU
  1. REAR SEAT CONTROL SWITCH CIRCUIT
  2. DOOR COURTESY LIGHT AND COURTESY SWITCH CIRCUIT
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Vibration seat function does not operate.
  1. Rear seat switch circuit
  2. Vibration seat ECU communication circuit
  3. Vibration circuit
  4. Rear LH seat ECU
  1. REAR SEAT CONTROL SWITCH CIRCUIT
  2. VIBRATION SEAT ECU COMMUNICATION CIRCUIT 
  3. VIBRATOR CIRCUIT 
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
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