PGM-FI Control System — Troubleshooting Flowchart — Ignition Output Signal
6-54flowchartTroubleshooting Flowchart — Ignition Output Signal
Self-diagnosis LED indicator blinks fifteen times: A problem in the Ignition Output Signal circuit.
1
- Check Engine warning light is on.
- LED indicates CODE 15.
2
Turn the ignition switch OFF.
3
Remove HAZARD fuse in the main fuse box for 10 seconds to reset ECU.
4
Start engine.
5
Is Check Engine warning light on? Does LED indicate CODE 15?
NO
Intermittent failure (test drive may be necessary).
YES
6
Turn the ignition switch OFF.
7
Disconnect the 2P connector from the distributor.
8
Turn the ignition switch ON.
9
Measure voltage between BLK/YEL (+) terminal and body ground.
10
Is there battery voltage ?
NO
Repair open in BLK/YEL wire between the 2P connector and ignition switch.
YES
11
Turn the ignition switch OFF.
12
Reconnect the 2P connector.
(To page 6-55)
