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 |
Illumination for Panel Switch does not Come on with Tail Switch ON
PROCEDURE
1.
CHECK VEHICLE SIGNAL (OPERATION CHECK)
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal
in Operation Check (See page ).
(b) Check that the display changes between ON ...
Brake Line
Precaution
PRECAUTION
1. TROUBLESHOOTING PRECAUTION
NOTICE:
Since the brake lines are critical safety related parts, be sure to
disassemble and inspect the components if a brake fluid leak is found. If
any abnormality is found, replace th ...
Cruise Control Input Processor (P1607)
MONITOR DESCRIPTION
The ECM continuously monitors its main and sub CPUs while cruise control is operating.
This self-check ensures that the ECM is functioning properly. If outputs from the
CPUs are different and deviate from the standard, the ECM illumina ...