CHECK OPEN CIRCUIT IN HARNESS.

1) Turn the ignition switch to OFF.

2) Disconnect the ABSCM&H/U connectors.

3) Depress the brake pedal.

4) Measure the voltage between ABSCM&H/U connector and chassis ground.

Connector & terminal

LHD model

(B301) No. 20 (+) — Chassis ground (−):

RHD model

(F49) No. 20 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 — 15 V?

Yes No

Repair the harness between stop light switch and ABSCM&H/U connector.