Mitsubishi 1992 3000GT, Service Manual

Page: 772 / 1308

ECS
Troubleshootina
1
When diagnostic trouble code No. 11 is output
Using scan tool, check
sensor. Good?
Check by entering simulated vehicle speed from scan tool to
late pitching and bouncing controls. (Refer to
Good?
No
Disconnect G sensor connector. With ignition
switch at ON, check harness connector.
Replace ECS control unit.
No. 1 terminal voltage and continuity between No.
3 terminal and ground up to specification?
(Sensor power supply and ground)
Is continuity provided across the following areas?
Between G sensor and ECS control unit
Between No. 1 terminal and No. 54 terminal
Yes
Correct harness.
No
Continuity provided between No. 2 terminal of G
sensor and No. 61 terminal of ECS control unit? Correct harness.
Yes
Is trouble cleared by replaced G sensor?
Yes
End
Replace ECS control unit.
When diagnostic trouble code No. 21 is output, or when anti-roll control only stops.
Check by entering simulated vehicle speed to simulate anti-roil
controls. (Refer to
Good?
Disconnect steering angular velocity sensor
Withignition switch at ON, check
N o
Is continuity provided across the following areas?
Standard: 5 V
Between steering angular velocity sensor
Between No. 2 terminal and No. 56 terminal
Between No. 3 terminal and No. 55 terminal
Is continuity provided between No. 1 terminal of steering angular
velocity sensor and No. 57 terminal of ECS control unit?
Is trouble cleared by replacing steering angular
End
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