DESCRIPTION
This circuit is from the parking brake switch assembly to the navigation ECU sub-assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK BRAKE WARNING LIGHT
Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.
OK |
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The brake warning light operates as specified above. |
NG |
GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS Click here |
OK |
CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH ASSEMBLY - NAVIGATION ECU SUB-ASSEMBLY)
Disconnect the navigation ECU sub-assembly connector.
Disconnect the parking brake switch assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
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|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here