Diesel Data: Automotive Repair

Vehicle Speed Signal Circuit Between Multi-Display and Combination Meter








NAVIGATION: NAVIGATION SYSTEM: Vehicle Speed Signal Circuit between Multi-display and Combination Meter

Vehicle Speed Signal Circuit between Multi-display and Combination Meter

DESCRIPTION

The multi-display performs switch operation control during driving by receiving a vehicle speed signal from the combination meter.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK OPERATION OF SPEEDOMETER
(a) Drive the vehicle and check if the function of the speedometer in the combination meter is normal.
OK:
Actual vehicle speed and the speed indicated on the speedometer are the same.
HINT: The vehicle speed sensor is functioning normally when the indication on the speedometer is normal.

NG -- GO TO METER / GAUGE SYSTEM
OK -- Continue to next step.

2. CHECK WIRE HARNESS (COMBINATION METER - MULTI-DISPLAY)




(a) Disconnect the M13 display connector.
(b) Disconnect the C10 meter connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE