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:

Transmission Range Sensor Circuit Malfunction (PRNDL Input)
DESCRIPTION The park/neutral position switch detects the shift lever position and sends signals to the ECM. HINT: After confirming DTC P0705, use the intelligent tester to confirm the PNP switch signal in the ALL menu (to reach the ALL menu: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ...

Precaution
1. PRECAUTION (a) Before inspecting and repairing the fuel system, disconnect the cable from the negative (-) battery terminal. (b) Do not smoke or work near fire when handling the fuel system. (c) Keep gasoline away from rubber or leather parts. 2. DISCHARGE FUEL SYSTEM PRESSURE (*1) ...

Abnormal Temperature Inside ID1 Tire
DESCRIPTION Each tire pressure warning valve and transmitter measures the internal temperature of its tire as well as tire pressure, and transmits the information to the tire pressure warning ECU along with the transmitter ID. If the measured temperature is out of the specified range, t ...

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