Mitsubishi 3000GT 1991 Service Manual page 671

ELECTRONIC CONTROL SUSPENSION (ECS)
Does ECS indicator light flash?
I
Disconnect ECS switch connector
and check harness connector with
No. 10 terminal voltage and
continuity between No. 11 terminal
and ground up to specification?
Standards:
No. 10 terminal 5 V
No. 11 terminal
Continuity provided
Yes
Check ECS switch. (Refer to P.33B-
Yes
check ECS indicator light for burnt
Is continuity provided across the
combination meter and
ECS control unit
No. 10 and 2 terminals
No. 11 and 3 terminals
Yes
Is continuity provided between No. 2
terminal of combination meter and
ground?
Yes
Is trouble cleared by replacing
combination meter?
Yes
Yes
Read diagnosis code and check area associated with dralgnosrs
code.
No
Replace ECS switch.
Replace ECS indicator light bulb.
No
No
Replace ECS control unit.
TSB Revision
Correct harness.