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Home >> Nissan-Datsun >> 2006 >> Sentra SE-R >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Body, Lock & Security System >> NVIS (NISSAN Vehicle Immobilizer System - NATS) >> Trouble Diagnoses >> Symptom Matrix Chart 1 (Self-Diagnosis Related Item)

Symptom Matrix Chart 1 (Self-Diagnosis Related Item)

SYMPTOM MATRIX CHART 1

SYMPTOM Displayed "SELF-DIAG RESULTS" on CONSULT-II screen. DIAGNOSTIC PROCEDURE SYSTEM (Malfunctioning part or mode) REFERENCE PART NO. OF ILLUSTRATION in Figure
  ECM INT CIRC-IMMU PROCEDURE 1  ECM B
  • Security indicator lighting up(1)
  • Engine hard to start
     In rare cases, "CHAIN OF ECM-IMMU" might be stored during key registration procedure, even if the system is not malfunctioning. -
CHAIN OF ECM-IMMU PROCEDURE 2  Open circuit in battery voltage line of IMMU circuit C1
Open circuit in ignition line of IMMU circuit C2
Open circuit in ground line of IMMU circuit C3
Open circuit in communication line between IMMU and ECM C4
Short circuit between IMMU and ECM communication line and battery voltage line C4
Short circuit between IMMU and ECM communication line and ground line C4
ECM B
IMMU A
DIFFERENCE OF KEY PROCEDURE 3  Unregistered key D
IMMU A
CHAIN OF IMMU-KEY PROCEDURE 4  Malfunction of key ID chip E
IMMU A
ID DISCORD, IMM-ECM PROCEDURE 5  System initialization has not yet been completed. F
ECM F
LOCK MODE PROCEDURE 7  LOCK MODE D
  • MIL staying ON
  • Security indicator lighting up(1)
 DON'T ERASE BEFORE CHECKING ENG DIAG WORK FLOW  Engine trouble data and NVIS (NATS) trouble data have been detected in ECM -
(1) When NVIS (NATS) detects trouble, the security indicator lights up while ignition key is in the "ON" position.
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