mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 2238 > < Diagram Information and Instructions|Page 2236
Page 1
background image

Vehicle Speed Sensor: Testing and Inspection

TROUBLESHOOTING HINTS 

If there is damaged or disconnected wiring or a short-circuit in the vehicle speed sensor signal circuit, the engine may stall when the vehicle speed
is reduced and the vehicle is stopped.

HARNESS INSPECTION 

STEP 1. Check for continuity in the vehicle speed sensor output circuit.
-

Engine control module connector: Disconnected

-

Move the vehicle.
Continuity: Continuity and no-continuity are repeated alternately.
OK: GO TO STEP 4
NG: GO TO STEP 2

STEP 2. Check for an open or short-circuit between the vehicle speed sensor and the engine control module.
-

Engine control module connector: Disconnected

-

Vehicle speed sensor connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness. (A1 - 86)

STEP 3. Check for continuity in the ground circuit.
-

Vehicle speed sensor connector: Disconnected
OK: GO TO STEP 4
NG: Repair the harness. (B13 - Ground)

STEP 4. Measure the applied voltage.

Diagram Information and Instructions|Page 2238 > < Diagram Information and Instructions|Page 2236