DESCRIPTION
This circuit is from the parking brake switch assembly to the radio and display receiver assembly.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK BRAKE WARNING LIGHT |
(a) Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.
OK:
The brake warning light operates as specified above.
NG | ![]() |
GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS |
|
2. |
CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Disconnect the E42 radio and display receiver assembly connector.
(b) Disconnect the A42 parking brake switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E42-15 (PKB) - A42-1 |
Always |
Below 1 Ω |
E42-15 (PKB) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Inspection
INSPECTION
PROCEDURE
1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY
(a) Inspect operation of the electrochromic inner mirror.
(1) Connect a positive (+) lead from the battery to terminal 1 and a negative
(-) lead to terminal 2.
(2) Press the AUTO switch.
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Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
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Seat Heater Control
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL SEAT HEATER CONTROL SUB-ASSEMBLY
(a) Engage the clamp and install the seat heater control sub-assembly.
(b ...