Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 550

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<Check the circuit between the SRS-ECU and clock
spring>
Measure at the C-21 SRS-ECU connector and C-204 clock
spring connector.
D Disconnect the SRS-ECU connector C-21 and the clock
spring connector C-204 and measure at the harness side.
D Continuity check between the following terminals
C-21 connector
11 –
12 –
Caution
Do not directly insert a probe or other devices at the
front of the connector to avoid a possible decrease in
the contact pressure.
OK: Continuity (2Ω or less)
Connector C-204
Connector C-21
Replace the SRS-ECU.
SRS -
YES
C-204 connector
2
1
OK
Troubleshooting
NG
Check connector: C-21, C-204
OK
Check the trouble
symptoms.
NG
Check the harness between the clock spring and the
SRS-ECU, and repair if necessary.
52B-19
NG
Correct