Toyota RAV4 manuals

Toyota Sienna Service Manual: Problem symptoms table

HINT:

POWER REAR NO. 2 SEAT with STOWING FUNCTION

Symptom

Symptom Suspected area

No functions operate.
  1. Power source circuit
  2. Fold seat control ECU
The folding-down function does not operate.
  1. Park/Neutral position switch circuit
  2. Back door courtesy switch circuit
  3. Lock switch circuit
  4. Reclining motor circuit
  5. Fold seat switch circuit
  6. Folding motor circuit
  7. Folding motor
  8. Fold seat control ECU
The return function does not operate.
  1. Park/Neutral position switch circuit
  2. Back door courtesy switch circuit
  3. Reclining motor circuit
  4. Folding motor circuit
  5. Fold seat switch circuit
  6. Release actuator circuit
  7. Folding motor
  8. Release actuator
  9. Fold seat control ECU
The stowing function does not operate.
  1. Park/Neutral position switch circuit
  2. Back door courtesy switch circuit
  3. Reclining motor circuit
  4. Folding motor circuit
  5. Fold seat switch circuit
  6. Fold lock switch circuit
  7. Folding motor
  8. Fold seat control ECU
The reclining function does not operate.
  1. Lock switch circuit
  2. Reclining motor circuit
  3. Rear power seat switch circuit
  4. Fold seat control ECU
The indicator does not come on or blink.
  1. Indicator circuit
  2. Fold seat control ECU
Initialization
HINT:  The seatback position is initialized at the factory before shipment, so initialization is not normally required. There is an initialization function for cases when reinitializati ...

Terminals of ECU
1. FOLD SEAT CONTROL ECU LH Disconnect the fold seat control ECU connectors. Measure the voltage and resistance of the wire harness side connectors. If the result is not as specifie ...

Other materials:

Diagnosis system
DESCRIPTION (a) When troubleshooting OBD II (On-Board Diagnostics) vehicles, an intelligent tester (complying with SAE J1987) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle's ECM (Engine Control Module) can be then read. (b) OBD II regu ...

The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted
INSPECTION PROCEDURE 1 CHECK CELLULAR PHONE Check if the voice on the other side can be heard using a cellular phone. OK: Voice can be heard 2 CHECK NAVIGATION SYSTEM Check that navigation sound can be heard from the driver side speaker. OK: Audio sound can be heard 3 CHECK SE ...

Starter Relay Circuit High
MONITOR DESCRIPTION While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit. The ECM then il ...

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