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:

Circuit description
The shift solenoid valve sl is turned on and off by signals from the ecm in order to control the hydraulic pressure operation, the lockup relay valve, which then the controls operation of the lockup clutch. Fail safe function: if the ecm detects a malfunction, it turns the shift solen ...

Inspection procedure
1 Inspect shift solenoid valve(sl) Remove the shift solenoid valve sl.  measure the resistance according to the value(s) in the table below. Standard: Connect the positive (+) battery lead to the solenoid connector terminal, and the negative () battery lead to the sole ...

Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the exhaust gas. For optimum catalytic converter operation, the air fuel mixture must be maintained near the ideal stoichiometric ratio. The heated oxygen sensor output voltage changes suddenly in the vicinity of the ...

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