NATS / Gasoline engine — Trouble Diagnoses (Cont'd) — Diagnostic Procedure 1 ("ECM INT CIRC-IMMU")
EL-7065flowchartProcedure 1 is a one-shot: ECM-internal IMMU-communication circuit failure → replace ECM and re-initialise. Ref. part B (ECM) on the system diagram (EL-7064).
NATS (Nissan Anti-Theft System) / Gasoline engine
Trouble Diagnoses (Cont'd)
DIAGNOSTIC PROCEDURE 1
NOTE
Self-diagnostic results: "ECM INT CIRC-IMMU" displayed on CONSULT-II screen.
Probable Cause
Corrective Action
A — Confirm SELF-DIAGNOSTIC RESULTS "ECM INT CIRC-IMMU" displayed on CONSULT-II screen. Ref. part No. B.
Replace ECM.
Replace ECM.
Perform initialization with CONSULT-II. For the operation of initialization, refer to "CONSULT-II operation manual NATS".
Cause
A — Confirm SELF-DIAGNOSTIC RESULTS "ECM INT CIRC-IMMU" displayed on CONSULT-II screen. Ref. part No. B.
Fix
Replace ECM.
Cause
Replace ECM.
Fix
Perform initialization with CONSULT-II. For the operation of initialization, refer to "CONSULT-II operation manual NATS".
See also
CONSULT-II Operation Manual — NATS
