Wiper Signal Circuit

CRUISE CONTROL: DYNAMIC LASER CRUISE CONTROL SYSTEM: Wiper Signal Circuit

Wiper Signal Circuit

DESCRIPTION

When the distance control ECU (cruise control ECU) detects that the wipers are operating, the dynamic laser cruise control system will be canceled.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT WIPER AND WASHER SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING Initial Inspection and Diagnostic Overview.
OK:
Wiper function is normal.
NG -- GO TO WIPER AND WASHER SYSTEM
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR




(a) Disconnect the D2 connector from distance control ECU.
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE DISTANCE CONTROL ECU