Toyota Corolla Repair Manual: Inspection procedure
Hint
: troubleshoot each trouble symptom in accordance with the chart below.
1 Clear dtc
- Connect the hand–held tester or the obd ii scan tool to the dlc 3.
- turn the ignition switch on and push the hand–held tester or the obd ii scan tool main switch on.
- read the dtc .
- clear the dtc .
- check that mil is not illuminated.
Standard: mil is not illuminated
2 Check harness and connector(check for short in wire harness)
- Disconnect the e6 ecm connector.
- turn the ignition switch on.
- check that mil is not illuminated.
Standard: mil is not illuminated
- reconnect the ecm connector.
Check and repair harness and connector (combination meter – ecm)
3 Check that mil is illuminated
- Check that mil is illuminated when turning the ignition switch on.
Standard: mil is illuminated
4 Inspect combination meter assy (mil circuit)
- See the combination meter troubleshooting on page
Check and repair harness and connector (combination meter – ecm)
Circuit description
The ignition switch provides circuit power and the ecm provides the circuit
ground that illuminates the mil.
Mil operation is checked visually:
it should be illuminated when the ignition is firs ...
Other materials:
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...
Displaying the device status
Select “Bluetooth* info” using .
● Displaying the device name
Select “Device Name” using .
● Displaying the device address
Select “Device Address” using .
*: Bluetooth is a registered trademark of Bluetooth SIG, Inc. ...
Entire combination meter does not operate
Wiring diagram
Inspection procedere
1 Check fuse
Check that continuity exists of dome fuse.
check that continuity exists of gauge fuse.
check that continuity exists of am1 fuse.
2 Inspect combination meter assy
Check continuity.
Disconnect the ”c9 ...
