Wiper Signal Circuit

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: Wiper Signal Circuit
- Wiper Signal Circuit

DESCRIPTION

When the driving support ECU detects that the wipers are operating at high speed, the dynamic radar cruise control system is canceled.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DRIVING SUPPORT ECU - WINDSHIELD WASHER SWITCH)

(a) Disconnect the G43 driving support ECU connector.

(b) Disconnect the G50 windshield wiper switch connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. CHECK WINDSHIELD WIPER SWITCH ASSEMBLY

(a) Remove the windshield wiper switch with its connector still connected Removal.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in illustration





NG -- REPLACE WINDSHIELD WASHER SWITCH ASSEMBLY Removal

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Dynamic Radar Cruise Control System