Toyota Corolla Repair Manual: Open/B+ short circuit in abs motor relay circuit
Dtc c0273/13 open circuit in abs motor relay circuit
Dtc c0274/14 b+ short circuit in abs motor relay circuit
Inspection procedure
1 Reconfirm dtc
Check if the other dtcs are recorded
Replace brake actuator assy ...
Circuit description
The abs motor relay supplies power to the abs pump motor. While the abs is
activated, the ecu switches
the motor relay on and operates the abs pump motor.
Wiring diagram
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Other materials:
Circuit description
The airbag front rh sensor circuit consists of the airbag sensor assy center
and airbag front rh sensor.
Dtc b1156/b1157/15 is recorded when a malfunction is detected in the airbag
front rh sensor circuit.
Wiring diagram
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Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove parking brake hole cover sub–assy
4. Remove floor shift shift lever knob sub–assy (m/t transaxle)
5. Remove shifting hole cover sub–assy (m/t transaxle)
6. Remove console panel upper
7. Remove console box ...
Circuit description
The side airbag sensor assy (rh) circuit consists of the diagnosis circuit
and lateral deceleration sensor, etc.
It receives signals from the lateral deceleration sensor, judges whether or not
the srs must be activated,
and detects diagnosis system malfunction.
Dtc b1140/32 is recorded wh ...