Toyota RAV4 manuals

Toyota Sienna Service Manual: Meter Illumination does not Dim at Night

Toyota Sienna Service Manual / Meter / Meter / gauge system / On-vehicle inspection / Meter Illumination does not Dim at Night

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 the 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

Meter Illumination is Always Dark
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 ECU by t ...

Combination meter
COMPONENTS ...

Other materials:

Rear Occupant Classification Sensor LH Collision Detection
DTC B1787 Rear Occupant Classification Sensor LH Collision Detection DESCRIPTION DTC B1787 is output when the occupant classification ECU receives a collision detection signal sent by the rear occupant classification sensor LH if an accident occurs. DTC B1787 is also output when the front s ...

Inspection and adjustment procedure
Tire valve Tire pressure gauge Remove the tire valve cap. Press the tip of the tire pressure gauge onto the tire valve. Read the pressure using the gauge gradations. If the tire inflation pressure is not at the recommended level, adjust the pressure. If you add too much air, ...

ABS Warning Light Remains ON
DESCRIPTION If any of the following is detected, the ABS warning light remains on. The skid control ECU connectors are disconnected from the skid control ECU. There is a malfunction in the skid control ECU internal circuit. There is an open in the harness between the combination meter an ...

В© 2011-2020 Copyright www.tsienna.net