Toyota Corolla (E120) 2002–2008 Repair Manual / Heater & air conditioner / Air conditioning system
Toyota Corolla (E120): Air conditioning system
Other materials:
Rear suspension
Service data
Torque specification
Tire&wheel
Service data
Drive shaft / propeller shaft / axle
Service data
Torque specification
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Terminals of ecu
1. Inspect tvip ecu
Inspect the ecu–b, dome and ecu–ig fuses.
disconnect the tvip ecu connector, and the continuity and voltage of
check each terminal of the disconnected
connector.
Standard:
If the result is not as specified, the vehicle’s side may malfunction.
Reco ...
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...