Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

Hint

: troubleshoot each trouble symptom in accordance with the chart below.

1 Clear dtc

1 Clear dtc

  1. Connect the handheld tester or the obd ii scan tool to the dlc 3.
  2.  turn the ignition switch on and push the handheld tester or the obd ii scan tool main switch on.
  3.  read the dtc .
  4.  clear the dtc .
  5.  check that mil is not illuminated.

Standard: mil is not illuminated

2 Check harness and connector(check for short in wire harness)

2 Check harness and connector(check for short in wire harness)

  1. Disconnect the e6 ecm connector.
  2.  turn the ignition switch on.
  3.  check that mil is not illuminated.

    Standard: mil is not illuminated

  4.  reconnect the ecm connector.

Check and repair harness and connector (combination meter  ecm)

Check and repair harness and connector (combination meter ecm)

3 Check that mil is illuminated

  1. Check that mil is illuminated when turning the ignition switch on.

    Standard: mil is illuminated

4 Inspect combination meter assy (mil circuit)

4 Inspect combination meter assy (mil circuit)

  1. 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 ...

ABS with EBD system
...

Other materials:

Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and the actuator position sensor values to enable accurate cruise control at the set speed. If the idl ...

What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a Bluetooth device, first check the table below. ► When using the hands-free system with a Bluetooth device ► When registering/connecting a cellular phone ► When making/receiving a call ► When using the pho ...

Inspection procedure
1 Inspect ecm(+b voltage) Turn the ignition switch on.  measure the voltage between the terminals of the e4 and e6 ecm connectors. Standard: 2 Check harness and connector(ecm body ground) Disconnect the e4 ecm connector. check the resistance between the wire ha ...

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