Ecu Pin Voltage Test
NOTE:
If voltage is not as specified, go to test number indicated. Tests are located in G - TESTS W/ CODES article.
CAUTION:
When measuring resistance at ECU. DO NOT
TOUCH the ECU terminals with an ohmmeter. Turn ignition off and unplug ECU harness connector. tester probe should be inserted into wiring connector from the WIRING side.
ECU PIN VOLTAGE TEST
| Test Between Terminals | Test Condition | Voltage Should Be: | If Not, Go To Test: |
|---|---|---|---|
| +B-E1 | Ignition Switch "ON" | 10-14 | 1 |
| +B1-E1 | Ignition Switch "ON" | 10-14 | 1 |
| BATT-E1 | N/A | 10-14 | 1 |
| TAC-E01 | Ignition Switch "ON" | 9-14.5 | 3 |
| TAC-E01 | Idling | 12.5-14.5 | 3 |
| REG-E01 | Idling | 9-14.5 | 11 |
| TWS1-E01 | Ign. Switch "ON" & Above 142°F (61°C) | 9-14.5 | 4 |
| TWS2-E01 | Ign. Switch "ON" & Below 181°F (83°C) | 9-14.5 | 4 |
| VSW-E01 | Ign. "ON", 2.76 In. Hg (70 mm Hg) or Less . | 9-14.5 | 6 |
| VSW-E01 | Ign. "ON", 14.37 In. Hg (365 mm Hg) or More | 9-14.5 | 6 |
| THS-E01 | Ign. "ON" & Throttle Valve Fully Closed & First Idle Cam Disengaged | 9-14.5 | 7 |
| W-E1 | No Trouble ("CHECK ENGINE" Light Off) & Engine Running | 9-14.5 | 10 |
| FCS-E01 | Idling | 9-14.5 | 9 |
| EBCV-E01 | Idling | 9-14.5 | 5 |
| TP-E01 | Idling | 9-14.5 | 12 |
| BRK-E01 | Idling | 9-14.5 | 13 |
| A/C-E1 | Air Conditioning "ON" To "OFF" | 9-14.5 | 14 |