Mitsubishi 3000GT Service Manual page 773

When diagnostic trouble code No. 24 is output
Using scan tool, check service data on vehicle p Check by entering simulated vehicle speed from scan tool to simu-
speed sensor. Good?
No
Disconnect vehicle speed sensor
check harness connector.
No. 1 terminal voltage and continuity between No.
2 terminal and ground up to specification?
(Sensor power supply and ground)
Is continuity provided between No. 3 terminal of
vehicle speed sensor and No. 53 terminal of ECS
control unit?
Yes
Check vehicle speed sensor. (Refer to P.33B-18.) _____t Replace vehicle speed sensor.
Good?
Yes
<Non-Turbo>
Using scan tool, check service data
No
Is continuity provided between No. 109
of combination meter and No. 53 terminal of ECS
control unit?
Is continuity provided between No. 64 terminal - Correct harness.
of combination meter and ground?
ECS
Yes
late high speed-sensitive control. (Refer to P.33B-16.) Good?
1
No
and battery and between No. 2 terminal of vehicle speed sensor
and ground).
1
No
Check by entering simulated vehicle speed from scan tool to simu-
late high speed-sensitive control. (Refer to P.33B-16.) Good?
No
No
1
Replace vehicle speed sensor.
No
Replace ECS control unit.
1
1