Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Park/neutral position switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check operation(starter)
- Check that the starter operates normally and that the engine starts.
2 Input signal check
- See input signal check on page 05–745.
- check the indicator light when shifting into except d position.
Ok: the indicator light goes off when shifting into except d position.
3 Inspect terminal voltage(d)
- Turn the ignition switch to on.
- measure voltage between terminal 4 (d) of cruise control
ecu assy connector and body ground when shifting into
d position and other positions.
Ok:
4 Check harness and connector(between cruise control ecu assy and park/neutral position switch)
- Check for open and short circuit in harness and connector between cruise control ecu assy and park/ neutral position switch
Check and replace cruise control ecu assy
Other materials:
Exterior/interior trim
Preparation
Recomended tools
Equipment
Vehicle control system
Preparation
Recomended tools
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Using automatic mode
1 Press .
The dehumidification function begins to operate. Air outlets and fan speed are
automatically adjusted according to the temperature setting.
2 Adjust the temperature setting.
3 To stop the operation, press again.
■ If the system is operated manually in automatic mode
If the fa ...
Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control
valve (ocv) and the vvt controller.
The ecm sends a target ”duty–cycle” control signal to the ocv. This control
signal, applied to the ocv,
regulates the oil pressure supplied to the vvt controller. Camshaft timin ...