Parking Brake Switch Circuit

LIGHTING SYSTEM: Parking Brake Switch Circuit

Parking Brake Switch Circuit

DESCRIPTION

The Multiplex network body ECU receives the parking brake switch signal.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING INTELLIGENT TESTER
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position and press the intelligent tester main switch ON.
(c) Select the items below in the DATA LIST, and read the displays on the intelligent tester.

BODY





NG -- INSPECT PARKING BRAKE SWITCH ASSEMBLY
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. INSPECT PARKING BRAKE SWITCH ASSEMBLY
(a) Disconnect the parking brake switch connector.
(b) Measure the resistance according to the value(s) in the table below.
Resistance:






NG -- REPLACE PARKING BRAKE SWITCH ASSEMBLY
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND)
(a) Disconnect the 1C connector from instrument panel junction block assembly.
(b) Measure the resistance according to the value(s) in the table below.





Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE