Toyota Venza: Parking Brake Switch Circuit

Toyota Venza Service Manual / Audio / Video / Audio And Visual System / Parking Brake Switch Circuit

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.

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.

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

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Illumination Circuit

DESCRIPTION Power is supplied to the radio and display receiver assembly and steering pad switch assembly illumination when the light control switch is in the tail or head position. WIRING DIAGR ...

Speaker Circuit

DESCRIPTION If there is a short in a speaker circuit, the radio and display receiver assembly detects it and stops output to the speakers. Thus sound cannot be heard from the speakers ...

Other materials about Toyota Venza:

Engine oil
With the engine at operating temperature and turned off, check the oil level on the dipstick. - Checking the engine oil Park the vehicle on level ground. After warming up the engine and turning it off, wait more than five minutes for the oil to ...

Low Battery Positive Voltage or Abnormally High Battery Positive Voltage (C1241/41)
DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (housed in the actuator assembly) stores this DTC and the fail-safe function prohibits ABS operation. This DTC is stored when the IG1 terminal voltage deviates fro ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the lighting system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...