Nissan Immobilizer System (Nvis) (Nats)

Trouble Diagnoses




WORK FLOW




SYMPTOM MATRIX CHART 1
(Self-diagnosis related item)




SYMPTOM MATRIX CHART 2
(Non self-diagnosis related item)




DIAGNOSTIC SYSTEM DIAGRAM




DIAGNOSTIC PROCEDURE 1
Self-diagnostic results:
"IMMU" displayed on CONSULT screen

1. Confirm SELF-DIAGNOSTIC RESULTS "ECM" displayed on CONSULT screen.
2. Replace IMMU.
3. Perform initialization with CONSULT.

For initialization, refer to "CONSULT operation manual NATS".




DIAGNOSTIC PROCEDURE 2
Self-diagnostic results:
"ECM" displayed on CONSULT screen

1. Confirm SELF-DIAGNOSTIC RESULTS "ECM" displayed on CONSULT screen.
2. Replace ECM.
3. Perform initialization with CONSULT.

For initialization, refer to "CONSULT operation manual NATS".













DIAGNOSTIC PROCEDURE 3
Self-diagnostic results:
"CHAIN OF ECM-IMMU" displayed on CONSULT screen




DIAGNOSTIC PROCEDURE 4
Self-diagnostic results:
"DIFFERENCE OF KEY" displayed on CONSULT screen




DIAGNOSTIC PROCEDURE 5
Self-diagnostic results:
"CHAIN OF IMMU-KEY" displayed on CONSULT screen




DIAGNOSTIC PROCEDURE 6
Self-diagnostic results:
"ID DISCORD, IMM-ECM" displayed on CONSULT screen




DIAGNOSTIC PROCEDURE 7
Self-diagnostic results:
"ELECTRONIC NOISE" displayed on CONSULT screen







DIAGNOSTIC PROCEDURE 8
"SECURITY INDICATOR LAMP DOES NOT LIGHT UP"







DIAGNOSTIC PROCEDURE 9
Self-diagnostic results:
"LOCK MODE" displayed on CONSULT screen.