Self-Diagnostic System: Notes
NOTE:
For additional information and operating procedures on the self-diagnostic system, see TESTS W/CODES
article in the ENGINE PERFORMANCE Section.
Two types of self-diagnostic system are used: single LED and dual LED. Self-diagnostic system is located on the ECU. For system application, see SELF-DIAGNOSTIC SYSTEM table. For ECU locations, see ECU LOCATIONS table under COMPUTERIZED ENGINE CONTROLS.
SELF-DIAGNOSTIC SYSTEM
| Application | CHECK ENGINE Light | LED COLORS (No.) | |
|---|---|---|---|
| Maxima | |||
| VG30E | Calif. & Fed. | Red & Green (2) | |
| VE30DE | Calif. & Fed. | Red (1) | |
| NX | Calif. & Fed. | Red (1) | |
| Pathfinder | Calif. & Fed. | Red & Green (2) | |
| Pickup | |||
| 2.4L | Calif. | Red & Green (2) | |
| 3.0L | Calif. & Fed. | Red & Green (2) | |
| Sentra | Calif. & Fed. | Red (1) | |
| Stanza | Calif. & Fed. | Red (1) | |
| 240SX | Calif. & Fed. | Red (1) | |
| 300ZX | Calif. & Fed. | Red (1) | |