Toyota RAV4 manuals

Toyota Sienna Service Manual: Symptom confirmation and diagnostic trouble code

HINT:

The diagnostic system in the SIENNA has various functions.

Symptom confirmation and diagnostic trouble code

Symptom confirmation and diagnostic trouble code

  1. DTC CHECK

  1. MAKE A NOTE OF DTCS DISPLAYED AND THEN CLEAR MEMORY

  1. SYMPTOM CONFIRMATION

Result

  1. SIMULATION TEST USING SYMPTOM SIMULATION METHODS

  1. DTC CHECK

Result

  1. SYMPTOM CONFIRMATION

Result

If a DTC was displayed in the initial DTC check, the problem may have occurred in a wire harness or connector in that circuit in the past. Check the wire harness and connectors.

TROUBLESHOOTING OF EACH PROBLEM SYMPTOM

The problem still occurs in a place other than the diagnostic circuit (the DTC displayed first is either for a past problem or a secondary problem).

Customer problem analysis
HINT: In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand w ...

Symptom simulation
HINT: The most difficult case in troubleshooting is when no problem symptoms occur. In such a case, a thorough problem analysis must be carried out. A simulation of the same or similar conditions ...

Other materials:

Diagnostic trouble code chart
1. DTC CHECK If a malfunction code is displayed during the DTC check , check the suspected area listed for that code in the table below, and proceed to the appropriate page. DIAGNOSTIC TROUBLE CODE CHART DTC No. Detection Item Suspect Area B1244 Light Se ...

MIL Circuit
DESCRIPTION The MIL (Malfunction Indicator Lamp) is used to indicate vehicle malfunctions detected by the ECM. When the ignition switch is turned to the ON position, power is supplied to the MIL circuit, and the ECM provides the circuit ground which illuminates the MIL. The MIL operation ...

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 ...

В© 2011-2020 Copyright www.tsienna.net