Diagnosis Items
The abnormality-diagnosis items are listed in the following table. If 2 or more systems are non-functional, they are indicated in order of increasing code number.
Indication is made by deflection of voltmeter pointer or ECI check components. A constant 12 volts indicates system is normal. If system is abnormal, voltmeter will alternate between 0 and 12 volts every 0.4 seconds. After indication of 0 volts for 2 seconds, the higher code is indicated. See Figure .
DIAGNOSTIC CODE CHART
| Code Number | Diagnostic Item |
|---|---|
| 2 | Ignition Pulse |
| 3 | Airflow Sensor |
| 4 | Pressure Sensor |
| 5 | Throttle Position Sensor |
| 6 | ISC Motor Position Sensor |
| 7 | Coolant Temperature Sensor |
| 8 | Vehicle Speed Sensor |