Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

Hint

: start the inspection from step 1 in case of using the handheld tester and start from step 2 in case of not using handheld tester.

1 Inspect brake actuator assy

  1. Select the datalist mode on the handheld tester.
  2.  check the operation sound of the abs pump motor when operating it with the handheld tester.

    Ok: the operation sound of the abs pump motor should be heard.

2 Inspect skid control ecu terminal voltage(+bm terminal voltage)

2 Inspect skid control ecu terminal voltage(+bm terminal voltage)

  1. Disconnect the skid control ecu connector.
  2.  measure the voltage between terminal +bm (24) and gnd (23) of skid control ecu harness side connector.

    Ok: the operation sound of the abs pump motor should be heard.

Replace brake actuator assy

Replace brake actuator assy

Circuit description
Wiring diagram ...

Malfunction in abs ecu
Dtc alwayson malfunction in abs ecu ...

Other materials:

Check short circuit
If the wire harness is ground shorted as shown in fig. 5, Locate the section by conducting a resistance check with the body ground in step (b). Check the resistance with the body ground.  Disconnect connectors a and c and measure the resistance between terminals 1 and 2 ...

Problem symptoms table
If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. Notice: when replacing skid control ecu, sensor or etc., Turn the ignition swi ...

How to proceed with troubleshooting
1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtcs and freeze frame data 4 Problem symptom confirmation Symptom does not occur: go to step 5 Symptom occurs: go to step 6 5 Symptom simulation 6 Dtc check There is no output: go to step 7 There is outp ...

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