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:

Personal light assembly
ON-VEHICLE INSPECTION 1. ROOF CONSOLE BOX ASSEMBLY  Inspect map light assembly resistance.  Check the resistance between the terminals at each switch position as shown in the chart. Resistance ...

Dinghy towing
Your vehicle is not designed to be dinghy towed (with 4 wheels on the ground) behind a motor home. NOTICETo avoid serious damage to your vehicle Do not tow your vehicle with four wheels on the ground. To prevent causing serious damage to the transaxle and Active Torque ...

Warning lights
Warning lights inform the driver of malfunctions in the indicated vehicle’s systems. *1: These lights turn on when the engine switch is turned to the “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system) to indicate that a system c ...

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