Toyota Corolla (E120) 2002–2008 Repair Manual / Windshield/windowglass/mirror / Combination meter assy
Toyota Corolla (E120): Combination meter assy
Overhaul
Hint
: components:
1. Remove meter hood sub–assy
2. Remove combination meter assy
- Remove the screw.
- disengage the 2 clips as shown in the illustration.
- disconnect the connector, then remove the combination meter.
3. Remove combination meter glass
- Disengage the 8 claws, then remove the combination meter glass.
Other materials:
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
Oxygen sensor monitor (front and rear o2s system)
Preconditions
The monitor will not run unless:
mil is off
drive pattern
connect the obd ii scan tool to the dlc3 to check monitor status
and preconditions.
Start the engine and allow it to idle for 2 minutes or more.
Drive the vehicle at 25 mph ...
Terminals of ecu
1. Inspect integration relay
Disconnect the connector and check the continuity of each terminal of
the disconnected connector.
Standard :
If the result is not as specified, the vehicle’s side may malfunction.
Reconnect the connector and check each terminal.
Standard:
If ...