LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 1991 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Trouble Code Definition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Trouble Code Definition

TROUBLE CODE IDENTIFICATION CHART

Code (1) System/Circuit Affected Probable Cause
11  Crank Angle Sensor Loss Of Signal
12  Mass Airflow Sensor MAF Signal High Or Low
13  Coolant Temp. Sensor Open/Shorted Circuit
14  Vehicle Speed Sensor (VSS) No VSS Signal
21  No Ignition Reference Pulse Loss Of Primary Signal
31  ECU Signals Out Of Range
32  EGR Sensor (Calif.) No EGR Action
33  O2 Sensor (Left Side) Open Circuit Or High O2 Signal
34  Knock Sensor Open/Shorted Circuit
35  EGR Temp. Sensor (Calif.) Open/Shorted Circuit
43  Throttle Sensor Open/Shorted Circuit
45  Injector Leak (Calif.) Leak At Injector
55 No Malfunction Recorded are available on all models. No Faults Detected
(1) Not all trouble codes will activate CHECK ENGINE light