Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

In case of using the hand-held tester, start the inspection from step 1 and incase of not using the hand-held tester, start from step 2.

Check brake fluid level warning switch using hand-held tester.

PREPARATION:

Connect the hand-held tester to the DLC 3.

CHECK:

Check the brake fluid level warning switch using DATA LIST.

REFERENCE

Brake fluid level	Switch
Normal	OFF
Abnormal	ON

OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).
NG: Go to next step.

Check brake fluid level warning switch. (See INSPECTION ).
1. NG: Replace the brake fluid level warning switch.
2. OK: Go to next step.
Check wire harness and connector between brake fluid level warning switch and body ECU No. 2.
1. NG: Repair or replace wire harness or connector.
2. OK: Proceed to next circuit inspection shown on problem symptoms table. (See PROBLEM SYMPTOMS TABLE ).