Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

HINT: Troubleshoot in accordance with the procedures on the following pages.

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check for normal function of the multiplex communication system.
  1. (ECU unconnected, communication line malfunctioning) Without code outputs, proceed to A.
  2. (ECU unconnected, communication line malfunctioning) With code outputs, proceed to B.

4 DTC CHECK

  1. Check for a diagnostic trouble code.
  1. Without code outputs, proceed to A.
  2. With code outputs, proceed to B.

5 PROBLEM SYMPTOMS TABLE

  1. When problem is not listed on problem symptoms table, proceed to A.
  2. When problem is listed on problem symptoms table, proceed to B.

6 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

  1. Data List / Active Test .
  2. Operation check .
  3. Inspection.
  4. Terminals of ECU

7 ADJUST, REPAIR OR REPLACE

8 RESET POWER BACK DOOR SYSTEM

9 CONFIRMATION TEST

END

Power back door system
PARTS LOCATION ...

Operation check
NOTICE: Inspection should be started after conforming that the items listed in the "CUSTOMIZE PARAMETER" for the power back door system have defaulted to the initial settings 1. CHECK ...

Other materials:

Front Occupant Classification Sensor RH Circuit Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The front occupant classification sensor RH circuit consists of the occupant classification ECU and the front occupant classification sensor RH. DTC B1781 is recorded when a malfunction is detected in the fron ...

Camshaft Position Sensor
DTC P0365 Camshaft Position Sensor "B" Circuit (Bank 1) DTC P0367 Camshaft Position Sensor "B" Circuit Low Input (Bank 1) DTC P0368 Camshaft Position Sensor "B" Circuit High Input (Bank 1) DTC P0390 Camshaft Position Sensor "B" Circuit (Bank 2) DTC P0392 ...

Short to B+ in Rear Curtain Shield Squib LH Circuit
DTC B1638/86 Short to B+ in Rear Curtain Shield Squib LH Circuit DESCRIPTION The rear curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B ...

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