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:

Compressor and magnetic clutch
COMPONENTS ...

Radio and Navigation Assembly Communication Error
INSPECTION PROCEDURE 1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE Enter the diagnostic mode.  Press the "LAN Mon" switch to change to "LAN Monitor" mode.  Identify the component shown by the sub-code. HINT:  "110 (multi-display)" i ...

IG Power Source Circuit
DESCRIPTION The main power source is supplied to the A/C amplifier when the ignition switch is turned to the ON position. The power source is used for operating the A/C amplifier and servo motor, etc. WIRING DIAGRAM INSPECTION PROCEDURE HINT: Start the engine before inspection. Check ...