Toyota Sienna Service Manual: Air conditioning system (for manual air conditioning system)

Back-up Power Source Circuit

DESCRIPTION This is the back-up power source for the A/C amplifier. Power is supplied even when the ignition switch is off and is used for diagnostic trouble code memory, etc. WIRING DIAGRAM ...

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 REFRIGERA ...

Other materials:

Operating the meter control switches
The multi-information display is operated using the meter control switches. Enter/Set Select an item/Change pages Return to the previous screen Press: Displays the screen registered as the top screen When no screen has been registered, the drive information screen will be displ ...

ABS Warning Light does not Come ON
WIRING DIAGRAM Refer to ABS Warning Light Remains ON (See page BC-141). INSPECTION PROCEDURE 1 CHECK ABS WARNING LIGHT (a) Disconnect the skid control ECU connector. (b) Turn the ignition switch to the ON position. (c) Check that the ABS warning light comes on. OK: ABS warning light come ...

Illumination Circuit
DESCRIPTION Power is supplied to the radio receiver and steering pad switch illumination when the light control switch is in the TAIL or HEAD position. WIRING DIAGRAM INSPECTION PROCEDURE NOTICE: The vehicle is equipped with an SRS (Supplemental Restraint System) which includes compon ...