When more than one failure occurs, the malfunction indicator shows the blinks in the order of lowest number to highest number. For example, if the indicator blinks once, then two times, two failures have occurred. Follow codes 1 and 2 on page 5-12.
Number of PGM-FI MIL blinks | Causes | Symptoms (fail-safe contents) | Refer to page | |
0 | No blinks | Open circuit at the power input wire of the ECM Faulty bank angle sensor Open circuit in bank angle sensor related circuit Faulty engine stop relay Open circuit in engine stop relay related wires Faulty engine stop switch Open circuit in engine stop switch related wires Faulty ignition switch Faulty ECM Blown PGM-FI fuse (30 A) Open circuit in engine stop switch ground Blown sub-fuse (10 A) (Starter/ignition) | Engine does not start | — |
No blinks | Open or short circuit in MIL wire Faulty ECM | Engine operates normally | — | |
Stay lit | Short circuit in service check connector Faulty ECM Short circuit in service check connector wire | Engine operates normally | ||
1 | Blinks | Loose or poor contacts on MAP sensor connector Open or short circuit in MAP sensor wire Faulty MAP sensor | Engine operates normally | 5-12 |
2 | Blinks | Loose or poor connection of the MAP sensor vacuum hose Faulty MAP sensor | Engine operates normally | 5-14 |
7 | Blinks | Loose or poor contact on ECT sensor Open or short circuit in ECT sensor wire Faulty ECT sensor | Hard start at low temperature (Simulate using numerical values; 90°C/194°F) | 5-16 |
8 | Blinks | Loose or poor contact on TP sensor connector Open or short circuit in TP sensor wire Faulty TP sensor | Poor engine response when operating the throttle quickly (Simulate using numerical values; Throttle opens 0") | 5-18 |
9 | Blinks | Loose or poor contact on IAT sensor Open or short circuit in IAT sensor wire Faulty IAT sensor | Engine operates normally (Simulate using numerical values; 25°C/77°F) | 5-22 |
10 | Blinks | Loose or poor contacts on BARO sensor connector Open or short circuit in BARO sensor wire Faulty BARO sensor | Engine operates normally | 5-24 |
11 | Blinks | Loose or poor contact on vehicle speed sensor connector Open or short circuit in vehicle speed sensor connector Faulty vehicle speed sensor | Engine operates normally | 5-26 |
12 | Blinks | Loose or poor contact on rear injector connector Open or short circuit in rear injector wire Faulty rear injector | Engine does not start | 5-28 |
13 | Blinks | Loose or poor contact on front injector connector Open or short circuit in front injector wire Faulty front injector | Engine does not start | 5-31 |
18 | Blinks | Loose or poor contact on cam pulse generator Open or short circuit in cam pulse generator Faulty cam pulse generator | Engine does not start | 5-34 |
19 | Blinks | Loose or poor contact on ignition pulse generator connector Open or short circuit in ignition pulse generator Faulty ignition pulse generator | Engine does not start | 5-36 |
21 | Blinks | Faulty Oz sensor | Engine operates normally | 5-38 |
23 | Blinks | Faulty O2 sensor heater | Engine operates normally | 5-40 |
33 | Blinks | Faulty E2-PROM in ECM | Engine operates normally Does not hold the selfdiagnosis data | 5-44 |