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:

Front Passenger Side Door Entry Lock Function does not Operate
DESCRIPTION If the front passenger door entry unlock function operates normally, but its entry lock function does not, this means that the request code from the front passenger door is being output normally. In this case, a malfunction in the lock sensor ...

Terminals Of Ecu
TERMINALS OF ECU 1. STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition D17-1 (GND) - Body ground ...

Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve SL) (P0741)
SYSTEM DESCRIPTION The TCM uses signals from the throttle position sensor, air-flow meter, turbine (input) speed sensor, intermediate (counter gear) speed sensor and crankshaft position sensor to help determine the engagement timing of the lock-up clutch. ...