Mitsubishi 3000GT 1991, Service Manual

Page: 673 / 1146

ELECTRONIC CONTROL SUSPENSION (ECS)
Troubleshooting
7 Anti-squat control only stops.
I
I
Using MUT, check service data on
throttle position sensor. Good?
Yes
Check by entering simulated vehicle speed from MUT to
simulate anti-squat control. (Refer to
Good?
Good Replace ECS control unit.
I
No
Does check engine light illuminate?
Is continuity provided between No. 2 terminal of throttle
position sensor and No. 59 terminal of ECS control
Yes
Correct harness.
Check throttle position sensor. (Refer to Good?
I
I
connector and check harness con-
nector with ignition switch at ON.
No. 1 terminal voltage and continuity
No
Is
between No. 4 terminal and ground
continuity provided across the following areas?
up to specification? (Sensor power
throttle position sensor and engine control unit
No. 1 and 61 terminals
supply and ground)
No. 4 and 72 terminals
Standards:
No. 1 terminal
5 V
Yes
No. 4 terminal
Continuity provided
Yes
C o r r e c t
Replace throttle position sensor.
TSB Revision