Pin Voltage Charts
NOTE:
All voltage tests should be performed using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in testing procedures. Voltage readings may vary slightly due to battery condition or charging rate.
NOTE:
See Figure for ECU Terminal ID.
ECU VOLTAGE SPECIFICATIONS
| ECU Terminals | Conditions | Volts |
|---|---|---|
| BATT & E1 | Always | 10.0-14.0 |
| IGSW & E1 | Ignition On | 10.0-14.0 |
| B (B1) & E1 | Ignition On | 10.0-14.0 |
| IDL & E2 | Ignition On, Throttle Valve Open | 4.0-6.0 |
| VC & E2 | Ignition On | 4.0-6.0 |
| VTA & E2 | Ign. On, Throttle Fully Closed | 0.1-1.0 |
| VTA & E2 | Ignition On, Throttle Valve Open | 3.0-5.0 |
| KS & Body Gnd. | Ignition On | 4.0-6.0 |
| VC & Body Gnd. | Ignition On | 4.0-6.0 |
| THA & E2 | Ignition On, Intake Air Temp. 68°F (20°C) | 1.0-3.0 |
| THW & E2 | Ignition On, Coolant Temp. 176°F (80°C) | 0.1-1.0 |
| No. 10 & EO1 | Ignition On | 10.0-14.0 |
| No. 10 & EO2 | Ignition On | 10.0-14.0 |
| No. 40 & EO1 | Ignition On | 10.0-14.0 |
| No. 40 & EO2 | Ignition On | 10.0-14.0 |
| STA & E1 | Cranking | 6.0-14.0 |
| ISC1 & E1 | Ignition On | 9.0-14.0 |
| ISC2 & E1 | Ignition On | 9.0-14.0 |
| ISC3 & E1 | Ignition On | 9.0-14.0 |
| ISC4 & E1 | Ignition On | 9.0-14.0 |
| IGT & E1 | Engine Idling | 0.7-1.0 |
| W & E1 | CHECK ENGINE Light Off, Engine Running | 8.0-14.0 |
| AC & E1 | A/C On | 0.0-2.0 |
| TE1 & E1 | Ignition On, Check Connector TE1 & E1 Not Connected | 4.0-6.0 |
| TE1 & E1 | Ignition On, Check Connector TE1 & E1 Connected | 0.0-1.0 |
| NSW & E1 | Ignition On, Gear Shift In "P" Or "N" | 0.0-1.0 |
| NSW & E1 | Ignition On, Gear Shift Not In "P" Or "N" | 10.0-14.0 |
| BK & Ground | Brake Pedal Depressed | 10.0-14.0 |