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:
Definition of terms
Term
Definition
Monitor description
Description of what the ecm monitors and how it detects malfunctions
(monitoring purpose and its details).
Related dtcs
Diagnostic code
Typical enabling condition
Preconditions that allow the ecm to detect ...
Dtc check/clear
1. Dtc check (normal mode)
Notice:
hand–held tester only:
when the diagnostic system is switched from the normal
mode to the check mode, all the dtcs and freeze frame
data recorded in the normal mode will be erased. So before
switching modes, always check the dtcs and freeze frame
data, and ...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...


