Speedometer Check

Adjust the pressure of tires to the specified level (Refer to ON-VEHICLE SERVICE ).
CAUTION: Do not accelerate or decelerate suddenly during servicing work.
Set the vehicle onto a speedometer tester and use wheel chocks to hold the rear wheels.

Fig 1: Placing Vehicle On Speedometer Tester
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
To prevent the front wheel from moving from side to side, attach tension bars to the tie-down hook, and secure both ends to anchor plates.
To prevent the vehicle from moving, attach a chain or wire to the rear retraction hook, and make sure the end of the chain or wire is secured.

Check if the speedometer indicator range is within the standard values.

Fig 2: Identifying Puller & Anchor Plate

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

SPEEDOMETER MPH & RANGE (STANDARD VALUES) EXCEPT VEHICLES FOR CANADA

SPEEDOMETER MPH & RANGE (STANDARD VALUES) VEHICLES FOR CANADA

If not with in the standard value, check the tire size. If an incorrect size of tire is used, replace it and check again. If the tire size is correct, a defect may be present in components and circuit between the output shaft speed sensor and the combination meter. Check the following items.
- output shaft speed sensor (refer to DTC 23 (P0720): OUTPUT SHAFT SPEED SENSOR SYSTEM ).
- combination meter (refer to INSPECTION PROCEDURE 6: SPEEDOMETER DOES NOT WORK. INSPECTION PROCEDURE 7: THE FUEL GAUGE NEEDLE MOVES EXCESSIVELY. ).