
FI-32 EFI SYSTEM — Troubleshooting for EFI Electronic Circuit with Volt/Ohmmeter
No. | Terminals | Trouble | Condition | STD Voltage
1 | BAT — E₁ | No voltage | Ignition switch ON | 10 — 14
| +B — E₁ | No voltage | Ignition switch ON | 10 — 14
| IG S/W — E₁ | No voltage | Ignition switch ON | 10 — 14
| M-REL — E₁ | No voltage | Ignition switch ON | 10 — 14
[DIAGRAM showing circuit with AM₁, STOP Fuse, ECU, IG S/W, Main Relay No. 1, Circuit Opening Relay, Battery, Fuse, and ground connections with terminals BAT, IG S/W, +B, M-REL, and E₁]
① • BAT ↔ E₁
Voltmeter ECU
[DIAGRAM 1 showing voltmeter connection to ECU terminals BAT and E₁]
V
F06743
① There is no voltage between ECU terminals BAT and E₁.
② Check that there is voltage between ECU terminal BAT and body ground.
NO | OK
③ Check wiring between ECU terminal E₁ and body ground.
BAD
Repair or replace
Check fuse, fusible links and wiring harness. | NO | Repair
Voltmeter ECU
[DIAGRAM 2 showing voltmeter connection to ECU terminals BAT and ground]
V
F06744
Ohmmeter ECU
[DIAGRAM 3 showing ohmmeter connection to ECU terminal E₁ and ground]
Ω
F06243