Toyota RAV4 manuals

Toyota Sienna Service Manual: Problem symptoms table

POWER BACK DOOR SYSTEM

Symptom

Suspected Area

Power back door does not operate when switch* is pressed (* Switch indicates the satellite switch for power back door)
  1. ECU-B fuse
  2. Power back door main switch
  3. Satellite switch
  4. Power back door touch sensor LH
  5. Power back door touch sensor RH
  6. Power back door drive unit
  7. Back door lock assembly
  8. Power back door ECU
  9. Driver Side J/B assembly (multiplex network body ECU)
  10. Wire harness
Jam protection function is activated while power back door is operating (for some reasons*) (* It may be caused by ill-fitting back door, faulty touch sensor or faulty pulse sensor)
  1. Fitting condition of back door
  2. Power back door touch sensor LH
  3. Power back door touch sensor RH
  4. Power back door ECU
  5. Wire harness
Power back door warning buzzer does not sound
  1. Power back door warning buzzer
  2. Power back door ECU
  3. Wire harness
Initialization
1. RESET When the back door lock is replaced: The power back door ECU cannot receive a switch signal from the lock. This may cause the power back door system to enter fail-safe mode and DTC ...

Terminals of ECU
1. CHECK POWER BACK DOOR ECU Disconnect the P13 and P14 ECU connectors, and check the voltage or resistance of each terminal of the wire harness side connectors If the result is not ...

Other materials:

Terminals of ECU
1. INSTRUMENT PANEL JUNCTION BLOCK (MULTIPLEX NETWORK BODY ECU)  Disconnect the B6, B7 and B9 ECU connectors. Disconnect the 1A, 1C, 1K, 1L and 1P J/B connectors. Check the voltage or resistance according to the value(s) in the table below (wire harness side connector). ...

No. 1 Clearance Warning Buzzer Circuit
DESCRIPTION The clearance warning ECU receives the ultrasonic sensor signal to sound the front warning buzzer. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FRONT BUZZER Remove the clearance warning ECU with front buzzer.  Apply the battery voltage to the terminals 1 and 2 o ...

Inspection
1. INSPECT MULTIPLE DISC CLUTCH HUB (a) Using a dial indicator, measure the inside diameter of the forward clutch hub bushing Standard inside diameter: 23.025 to 23.046 mm (0.9065 to 0.9073 in.) Maximum inside diameter: 23.09 mm (0.9091 in.) NOTICE: Check the contact surface of ...

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