Instrument Cluster Inspection: Speedometer

Using the input/output check mode 

1. Inspect the speedometer by setting it to check code 12 of the input/output check mode. (See INSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODE .)

Using a speedometer tester 

1. Adjust the tire pressure to the specification.
2. Using a speedometer tester, verify that the tester reading is as indicated in the table below.
   SPEEDOMETER TESTER SPECIFICATION
   
   

   Speedometer tester indication (km/h)	Allowable range (km/h)
   20	18-22
   40	38-41
   60	58-62
   80	78-82
   100	97-102
   120	117-122
   140	136-142
   10	8.6-11
   20	19-21
   30	29-31
   40	39-41
   50	49-51
   60	59-61
   70	68-72
   80	78-82

3. Verify that the speedometer reading is within the range indicated in the table.
   • If the speedometer does not move or the indication is not within the allowable range, inspect the PCM and related wiring harnesses.
     • If the PCM and related wiring harnesses are normal, replace the instrument cluster.