Toyota RAV4 manuals

Toyota Sienna Service Manual: Meter Illumination is Always Dark

DESCRIPTION

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK MULTIPLEX COMMUNICATION SYSTEM

  1. Check if MULTIPLEX communication DTC is output

Result

Result

2 CHECK DTC

  1. Check if DTC B1244 is output

Result

Result

3 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Operate the intelligent tester according to the steps on the display and select "DATA LIST".

MAIN BODY:

MAIN BODY

OK: The meter illumination is dimmed when the DIMMER SIG is ON.

CHECK LIGHTING SETTING

4 REPLACE COMBINATION METER ASSEMBLY

OK: The operation of the combination meter assembly returns to normal.

END

Operating Light Control Rheostat does not Change Light Brightness
DESCRIPTION The meter CPU receives signals for adjusting illumination on the meter from this circuit. The meter CPU detects the illumination level selected by the user according to the position of ...

Meter Illumination does not Dim at Night
DESCRIPTION  Confirm that the vehicle is equipped with the optitron meter, then check this circuit.  The combination meter assembly receives a auto dimmer signal from the body EC ...

Other materials:

Adjustment
HINT: If the malfunction does not disappear by following the procedure in ADJUSTMENT and the rear No. 2 seat assembly needs to be replaced, do not disassemble the rear No. 2 seat assembly. 1. ADJUST FRONT LEG HINT: Perform the following procedure if the inner leg does not lock. P ...

Brake Warning Light Remains ON
DESCRIPTION The BRAKE warning light comes on when the brake fluid is insufficient, the parking brake is applied or the EBD is defective. WIRING DIAGRAM INSPECTION PROCEDURE HINT: When releasing the parking brake, move the shift lever into the P position in an AT vehicle, and choke in ...

Problem symptoms table
If there are no DTCs output but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. NOTICE: When replacing the brake actuator assembly, sensor, etc., turn the ignition switch off. HINT: ...

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