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:

Customer problem analysis
Hint: in troubleshooting, the problem symptoms must be confirmed accurately, meaning that all preconceptions must be set aside in order to make an accurate judgement. To ascertain what the problem symptoms are, it is extremely important to ask the customer about the problem and cond ...

Circuit description
The park/neutral position switch detects the shift lever position and sends signals to the ecm. Monitor description The park/neutral position switch detects the gearshift position and sends a signal to the ecm. For security, the park/neutral position switch detects the gearshift positio ...

Idle state
Concept If the vehicle is in idle state, it is switched off. All power consumers are deactivated. General information The vehicle is in idle state prior to opening from the outside and after exiting and locking. Safety information Warning An unsecured vehicle can begin to move and possibly roll away ...

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