PGM-FI Control System — Troubleshooting Flowchart — Throttle Angle Sensor
6-44flowchartTroubleshooting Flowchart — Throttle Angle Sensor
Self-diagnosis LED indicator blinks seven times: Most likely a problem in the Throttle Angle Sensor circuit.
1
Engine is running
- Check Engine warning light is on
- LED indicates CODE 7
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 7?
NO
Intermittent failure. (test drive may be necessary).
YES
6
Turn the ignition switch OFF.
7
Disconnect the 3P connector from the throttle angle sensor.
8
Turn the ignition switch ON.
9
Measure voltage between YEL/WHT (+) terminal and GRN/WHT (-) terminal.
10
Is there approx. 5V?
YES
Turn the ignition switch OFF.
Turn the ignition switch OFF.
Reconnect the 3P connector.
(To page 6-45)
NO
11
Measure voltage between YEL/WHT (+) terminal and body ground.
12
Is there approx. 5V?
YES
Repair open in GRN/WHT wire between ECU (C12) and throttle angle sensor.
NO
13
Turn the ignition switch OFF.
(To page 6-45)