Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter / Malfunction in water temperature receiver gauge
Toyota Corolla (E120): Malfunction in water temperature receiver gauge
Wiring diagram
Inspection procedure
1 Read value of hand–held tester
- Check output value of ecm.
- Connect the hand–held tester to dlc3.
- Turn the ignition switch to on and push the hand–held tester main switch on.
- Select the data list mode on the hand–held tester.
2 Inspect combination meter assy
(Reference) inspection using oscilloscope
- check the input signal waveform.
- Remove the combination meter with connectors still connected.
- Connect the oscilloscope to the terminals c9–8 of combination meter assy and body ground.
- Start engine.
- Check the signal waveform.
3 Check harness and connector(between ecm and combination meter assy)
- Remove the combination meter.
- check the continuity between terminals 14 (thwo) of ecm and c9–8 of
combination meter connector.
Standard: there is continuity.
Check and replace ecm
Other materials:
Vehicle information
This screen can be used to display the fuel consumption.
“Trip Information” or “Past Record” screen
Press “CAR” to display the “Trip Information” or “Past Record” screen.
Fuel consumption
■ Trip information
If the “Trip Information” screen does not appear, select ...
Cruise control
The vehicle can be driven at
a set speed even if the
accelerator pedal is not
depressed.
Use the cruise control only
on highways and expressways.
WARNING
■For safe use
Driving safely is solely the
responsibility of the driver.
Therefore, do not overly rely on
this system. The driver is solel ...
Inspection procedure
1 Inspect shift solenoid valve(s2)
Remove the shift solenoid valve s2.
measure the resistance according to the value(s) in the
table below.
Standard:
Connect the positive (+) battery lead to the solenoid connector
terminal, and the negative (–) battery lead to the
so ...