Mitsubishi Eclipse 1990 Service Manual page 1054

INSPECTION PROCEDURE
Vehicle speed sensor system
[Comment]
In cases such as the above, the cause, is probably a defective vehicle speed sensor circuit.
(Refer to
Measure at the vehicle speed
Disconnect the connector, and measure at the harness side.
1. Voltage between 1 and ground
(Ignition switch: ON)
OK: Battery positive voltage
2. Voltage between 3 and ground
(Ignition switch: ON)
OK:
3. Continuity between 2 and ground
O K :
NG
Check the following con-
OK
Check trouble symptom.
OK
Replace the TCM.
AUTOMATIC TRANSAXLE
ENGINE (TURBO) AND
+ Repair
TSB Revision
Probable 'cause
Malfunction of vehicle speed
NG
Replace
1. NG
Check the following con-,
OK
Check trouble symptom.
2. NG
NG
Check the ignition switch.
(Refer to GROUP 54
Check the following con-
OK
Check trouble symptom.
NG
Check the harness wire
between the TCM and the
vehicle sensor
connector.'
the TCM.
Check the harness wire between the vehicle speed sensor and
the ground and repair if necessary.
.
Malfunction of connector
of TCM
. .
NG
Repair
.
switch)
NG
+.
NG
Repair
.
. .
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