Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction
Toyota Corolla (E120): Introduction
- How to use this manual
- Identification information
- Repair instruction
- How to troubleshoot ecu controlled systems
- General information
- How to proceed with troubleshooting
- Customer problem analysis
- Symptom confirmation and diagnostic trouble code
- Symptom simulation
- Diagnostic trouble code chart
- Problem symptoms table
- Circuit inspection
- Electronic circuit inspection procedure
- Terms
Other materials:
Adjustment
1. Inspect park/neutral position switch assy
apply the parking brake and turn the ignition switch on.
depress the brake pedal and check that the engine starts only when
the shift lever is set in n or p position
and it does not start in the other position.
check that th ...
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
Circuit description
The intake air temperature (iat) sensor, mounted on the mass
air flow (maf) sensor, monitors the intake air temperature. The
iat sensor has a thermistor that varies its resistance depending
on the temperature of the intake air. When the air temperature
is low, the resistance in the thermisto ...