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:

On-vehicle inspection
1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check.  With the front passenger airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the instrumen ...

Precaution
NOTICE: When the ignition switch is turned off and the engine temperature is high, the cooling fans may operate for approximately 3 minutes. After turning the ignition switch off, keep hands and objects away from the fans when they are operating. HINT: If al ...

Cranking Holding Function Circuit
DESCRIPTION The system detects the ignition switch's starting signal (STSW) and then supplies current to the starter until the ECM judges that the engine has started successfully. The purpose is to reduce the holding time of the ignition key. WIRING DIAGRAM Refer to DTC P0617. INSPECTI ...

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