On-Vehicle Service; Speedometer Check; Tachometer Check - Mitsubishi Pajero Pinin 1999 Workshop Manual

54A-24
Wheel chocks
Tension bar
Front
Anchor plate
Paper clip
Engine
speed
detection
terminal
CHASSIS ELECTRICAL ±

ON-VEHICLE SERVICE

SPEEDOMETER CHECK

1. Adjust the pressure of the tyres to the specified level.
2. Set the vehicle onto a speedometer tester.
3. Use wheel chocks to hold the front wheels, and apply
4. To prevent the front wheels from moving from side to
5. To prevent the vehicle from launching, attach a chain or
6. Check if the speedometer indicator range is within the

TACHOMETER CHECK

Engine tachometer
1. Insert a paper clip in the engine speed detection connector
2. Compare the readings of the engine speedometer and the
Combination Meters
(Refer to GROUP 31 ± Service Specifications.)
the parking brake firmly.
side, attach tension bars to the tie-down hooks, and secure
both ends to anchor plates.
wire to the rear retraction hook, and make sure the end
of the chain or wire is secured firmly.
standard values.
Caution
Do not operate the clutch suddenly. Do not
increase/decrease speed rapidly while testing.
Standard values:
Standard indication km/h
(mph)
40 (20)
80 (40)
120 (60)
160 (80)
± (100)
from the harness side, and attach the engine speedometer.
NOTE
For tachometer check, use of a fluxmeter-type engine
speedometer is recommended. (Because a fluxmeter only
needs to be clipped to the high tension cable.)
tachometer at every engine speed, and check if the
variations are within the standard values.
Standard values:
700 r/min: ± 100 r/min
3,000 r/min: +150 r/min
±100 r/min
5,000 r/min: +325 r/min
±125 r/min
6,000 r/min: +375 r/min
±125 r/min
Allowable range km/h (mph)
40 ± 48 (20 ± 25)
80 ± 92 (40 ± 47)
120 ± 136 (60 ± 69)
160 ± 180 (80 ± 91)
± (100 ± 114)