Page text (OCR transcript)
EFI SYSTEM — Troubleshooting with Volt/Ohmmeter (7M GE) FI-33
No. | Terminals | Trouble | Condition | STD Voltage
1 | BATT - E1 | No voltage | — | 10 - 14 V
| IG SW - E1 | No voltage | Ignition switch ON | 10 - 14 V
| M REL - E1 | No voltage | Ignition switch ON | 10 - 14 V
| +B (+B1) - E1 | No voltage | — | 10 - 14 V
[DIAGRAM showing circuit with Battery, Fusible Links (AM2 30A, MAIN 2.0L), Fuse (EFI 15A), Ignition Switch (AM2, IG2), EFI Main Relay, and ECU with terminals BATT, +B1, +B, M REL, IG SW, E1]
• BATT - E1
① There is no voltage between ECU terminals BATT and E1.
② Check that there is voltage between ECU terminal BATT and body ground.
NO | OK
③ Check wiring between ECU terminal E1 and body ground.
OK | BAD
Try another ECU. | Repair or replace.
Check fuse and fusible links. | BAD | Replace.
OK
Check wiring between ECU terminal and battery. | BAD | Repair or replace.
[DIAGRAM 1: Voltmeter connected between ECU BATT terminal and E1]
FI0309
[DIAGRAM 2: Voltmeter connected between ECU BATT terminal and body ground]
FI0310
[DIAGRAM 3: Ohmmeter connected between ECU E1 terminal and body ground]
FI0311
