Mitsubishi Stealth 1994 Import Service Manual page 101

When diagnostic trouble code No. 24 is output
data on vehicle 'speed sensor. Good?
Disconnect vehicle speed sensor con-
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No. 1 terminal voltage and continuity
between No. 2 terminal and ground
up to specification?
(Sensor power supply and ground)
Standards:
No. 1 terminal Battery voltage
No. 2 terminal Continuity provided
Yes
Is continuity provided between No. 3
terminal of vehicle speed sensor and
No. 53 terminal of ECS control unit?
Check vehicle speed sensor. (Refer
Replace ECS control unit.
<Non-Turbo>
Using scan tool, check service
data on vehicle speed sensor.
No
Is continuity provided between No.
No. 53 terminal of ECS control unit?
Yes
Is continuity provided between No.
64 terminal of combination meter
and ground?
Yes
Check vehicle speed sensor. (Refer
to P.2B-19.) Good?
Yes
Replace ECS control unit.
ECS - Troubleshooting
Check by entering simulated vehicle speed from scan tool to
simulate high speed-sensitive control. (Refer to P.2B-17.) Good?
N o
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Correct harness (between No. 1 terminal of vehicle
speed sensor and battery and between No. 2 terminal
of vehicle speed sensor and ground).
N o
Replace vehicle speed sensor.
Yes
Check by entering simulated vehicle speed from scan tool to
simulate high speed-sensitive control. (Refer to P.2B-17.) Good?
Yes
No
No
Replace vehicle speed sensor.
Replace ECS control unit.
No
Replace ECS control unit.
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