Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

Check operation of stop light.
CHECK:

Check that stop light lights up when brake pedal is depressed and turns off when brake pedal is released.
1. NG: Repair STOP LIGHT CIRCUIT .
2. OK: Go to next step.
Check voltage between terminal STP of ABS actuator and body ground.
Preparation:

Disconnect ABS actuator connector.

CHECK:

Measure the voltage between terminal STP (16) of ABS actuator harness side connector and body ground when brake pedal is depressed.

OK:

Voltage: 8 - 14 V .

Fig 1: Locating ABS ECU Terminal 16
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Check and replace ABS actuator assembly.
2. NG: Go to next step.
Check for open circuit in harness and connector between ABS actuator and stop light switch. See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .
1. NG: Repair or replace harness or connector.
2. OK: Go to next step.
Proceed to next circuit inspection shown on problem symptoms table. See PROBLEM SYMPTOMS TABLE .