Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

Handheld tester:

1 Check operation of stop light

  1. Check if the stop lights go on and off normally when the brake pedal is depressed and released.

2 Inspect stop light switch assy

2 Inspect stop light switch assy

  1. Check the resistance between the terminals when the switch is turned on and off.

Standard:

3 Read value of handheld tester(stp signal)

3 Read value of handheld tester(stp signal)

  1. Turn the ignition switch on.
  2.  select the item diagnosis / enhanced obd ii / data list / all / stop light sw and read its value displayed on the handheld tester.

Standard:

4 Check harness and connector(stop light switch  ecm)

4 Check harness and connector(stop light switch ecm)

  1. Disconnect the s9 stop light switch connector.
  2.  disconnect the e5 ecm connector.
  3.  check the resistance between the wire harness side connectors.

Standard (check for open):

Standard (check for short):

Standard (check for short):

  1. Reconnect the ecm connector.
  2. reconnect the stop light switch connector.

Replace ecm

Replace ecm

Obd ii scan tool (excluding handheld tester):

1 Check operation of stop light

  1. Check if the stop lights go on and off normally when the brake pedal is depressed and released.

2 Inspect stop light switch assy

2 Inspect stop light switch assy

  1. Check the resistance between terminals when the switch on and off.

Standard:

3 Inspect ecm(stp voltage)

3 Inspect ecm(stp voltage)

  1. Turn the ignition switch on.
  2.  measure the voltage between the terminals of the e4 and e5 ecm connectors.

Standard:

4 Check harness and connector(stop light switch  ecm)

4 Check harness and connector(stop light switch ecm)

  1. Disconnect the s9 stop light switch connector.
  2.  disconnect the e5 ecm connector.
  3.  check the resistance between the wire harness side connectors.

Standard (check for open):

Standard (check for short):

Standard (check for short):

  1. Reconnect the ecm connector.
  2.  reconnect the stop light switch connector.

Replace ecm

Replace ecm

Circuit description
This signal is used to detect that the brakes have been applied. The stp signal voltage is the same as the one supplied to the stop lights. The stp signal is used mainly to control the fuel cut ...

Mil circuit
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Other materials:

Cruise control system
Onvehicle inspection 1. Check play of accelerator auto drive cable assy Push the wire into the cable so as not to move the throttle link and put a mark on the position shown in the illustration. Pull the wire and check the moved distance of the mark. 2. Adjust play in accele ...

Precaution
1. Handling precautions on steering system  care must be taken when replacing parts. Incorrect replacement may affect the performance of the steering system and result in a driving hazard. 2. Handling precautions on srs airbag system  the vehicle is equipped with srs (suppl ...

Inspection procedure
Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

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