Toyota Corolla (E120) 2002–2008 Repair Manual / Heater & air conditioner / Air conditioning system
Toyota Corolla (E120): Air conditioning system
Share this page:
Other materials:
Brake
Preparation
Sst
Recomended tools
Equipment
Lubricant
...
Terminals of ecu
1. Inspect integration relay
Disconnect the connector from the integration relay.
check the continuity between each terminal of the disconnected connector
and the body ground, as
shown in the illustration and table.
Standard:
If the result is not as specified, the vehicle’s ...
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 ...