Inspection Procedure

Check Operation Of Stop Light.
CHECK:

Check that stop light turns ON when the brake pedal is depressed and turns OFF when the brake pedal is released.
1. NG: Repair stop light circuit.
2. OK: Go to Next Step
Check Voltage Between Terminal STP (10) Of ABS ECU Connector And Body Ground.

Fig 1: DTC C1249/49 Checking Voltage Of ABS ECU Connector And Body Ground
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

PREPARATION:

Disconnect the ABS ECU connector.

CHECK:

Measure the voltage between terminal 10 of the ABS ECU connector and the body ground when the brake pedal is depressed.

OK:
1. Voltage: 10 - 14 V
1. OK: Check and replace ABS actuator assembly.
2. NG: Go to Next Step
Check For Open Circuit In Harness (Including Stop Light Bulb) And Connector Between ABS ECU And Stop Light Switch.
1. NG: Repair or replace harness, connector or stop light bulb.
2. OK: Check and replace ABS actuator assembly.