Toyota Tacoma manuals

Toyota Corolla Repair Manual: Description

If the malfunction does not reoccur in 3 consecutive trips, the mil goes off automatically but the dtcs remain recorded in the ecm memory.

Priorities for troubleshooting: if troubleshooting priorities for multiple dtcs are given in the applicable dtc chart, these priorities should be followed.

If no instructions are given, perform troubleshooting for those dtcs according to the following priorities.

  1.  dtcs other than fuel trim malfunction (dtcs p0171 and p0172) and misfire (dtcs p0300 to p0304).
  2.  fuel trim malfunction (dtcs p0171 and p0172).
  3.  misfire (dtcs p0300 to p0304).

Check dlc3

Diagnosis system
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Check dlc3
The vehicles ecm uses the iso 91412 for communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 91412 format. Hint: if the display shows una ...

Other materials:

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 ...

System description
The ecm uses the signals from the throttle position sensor, airflow meter and crankshaft position sensor to monitor the engagement condition of the lockup clutch. Then the ecm compares the engagement condition of the lockup clutch with the lockup schedule in the ecm memory to detect mec ...

Inspection
1. Inspect sliding roof limit switch Inspect the sliding roof limit switch continuity. Standard: If the continuity is not as specified, replace the switch. 2. Inspect sliding roof drive gear subassy Connect the positive (+) lead from the battery to terminal 2 and the nega ...

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