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:

System description
1. GENERAL  The dynamic laser cruise control system has two cruise control modes: the constant speed control mode and vehicle-to-vehicle distance control mode.  The vehicle-to-vehicle distance control mode is always selected when starting the dynamic laser cruise control ...

Removal
1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE HINT: (See page EM-34) 2. REMOVE TRANSVERSE ENGINE ENGINE MOUNTING INSULATOR (a) Remove the 3 nuts and transverse engine engine mounting insulator. 3. REMOVE FRONT SUSPENSION ARM SUBASSEMBLY LOWER NO.1 LH (a) Remove the 2 bolts on the front sid ...

Precaution
NOTICE: Because the compressor operates at high voltages, wear electric insulated gloves and pull out the service plug to cut the high-voltage circuit before inspection. 1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME 2. ALWAYS WEAR EYE PROTECTION 3. BE CAREFUL NOT T ...

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