Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

HINT:

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

3 CRANK ENGINE FOR MORE THAN 10 SECONDS

4 CHECK FOR DTC

  1. Check for DTCs and note any codes that are output.
  2.  Delete the DTC.
  3.  Recheck for DTCs. Try to prompt the DTC (SFI system and engine immobiliser system) by simulating the original activity that the DTC suggested.
  1.  If the DTC does not reoccur, proceed to A.
  2.  If the DTC (SFI system) reoccurs, proceed to B.
  3.  If the DTC (engine immobiliser system) reoccurs, proceed to C.

5 READ VALUE OF INTELLIGENT TESTER ((IMMOBILISER ECU (TRANSPONDER KEY ECU ASSEMBLY) (SWITCH CONDITION))

  1. Connect the intelligent tester to the DLC3.
  2.  Turn the ignition switch ON and push the intelligent tester main switch ON.
  3.  Select the item KEY SW in the DATA LIST and read its value displayed on the intelligent tester.

Transponder key ECU

Transponder key ECU

6 PROBLEM SYMPTOMS TABLE

  1. If the fault is not listed on the problem symptoms table, proceed to A.
  2.  If the fault is listed on the problem symptoms table, proceed to B

7 OVERALL ANALYSIS AND TROUBLESHOOTING

  1. Inspection with the intelligent tester (ECU DATA MONITOR).
  2.  Inspection with the intelligent tester (ACTIVE TEST).
  3. Terminals of ECU

8 ADJUST, REPAIR OR REPLACE

9 CONFIRMATION TEST

END

Engine immobiliser system
PARTS LOCATION SYSTEM DESCRIPTION The engine immobiliser system has been designed to prevent the vehicle from being stolen. This system uses a transponder key ECU that stores the key code of t ...

Registration
1. DESCRIPTION OF CODE REGISTRATION HINT: The key has 2 codes: The key code (immobiliser code) and the wireless code. Both of these codes need to be registered. Refer to page for the wireless code ...

Other materials:

Brake Switch
DESCRIPTION The stop light switch is a duplex system that transmits two signals: STP and ST1-. These two signals are used by the ECM to monitor whether or not the brake system is working properly. If the signals, which indicate the brake pedal is being depressed or released, are detected ...

Assist grips
Type A An assist grip installed on the ceiling can be used to support your body while sitting on the seat. Type B An assist grip installed on the pillar can be used when getting in or out of the vehicle and others. WARNING Type A: Do not use the assist grip when g ...

Steering Angle Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Steering Angle Sensor Communication Stop Mode "Steering angle sensor" is not displayed on the "Communication Bus Check" screen of the intelligent tester Applies to &qu ...

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