Toyota Corolla (E120) 2002–2008 Repair Manual / Service specifications / Heater & air conditioner
Toyota Corolla (E120): Heater & air conditioner
Service data
Torque specification
Supplemental restraint system
Torque specification
Seat belt
Torque specification
Wiper & washer
Torque specification
Audio & visual system
Torque specification
Instrument panel/meter
Torque specification
Seat
Torque specification
Other materials:
Circuit description
The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm
in order to control the hydraulic
pressure operation, the lock–up relay valve, which then the controls operation
of the lock–up clutch.
Fail safe function:
if the ecm detects a malfunction, it turns the ...
Symptom confirmation and diagnostic trouble code
Hint:
the diagnostic system in corolla has various functions. The first
function is the diagnostic trouble
code (dtc) check, in which a malfunction in the signal circuits to the ecu
is stored in code form in
the ecu memory. Another function is the input signal check, which checks if
...
Inspection
1. Inspect defogger relay (marking: def)
Remove the defogger relay from the instrument panel
j/b.
inspect the defogger relay.
Standard:
If the result is not as specified, replace the relay ...