Page text (OCR transcript)
Main Relay
EFI
Fuse (15A)
Fusible Link Ignition Switch
No. 2 Main Relay
No. 1 Main
Relay
ECU +B
ECU
M-REL
4 2 1 3
IGNITION Fuse 7.5A
Fusible Link
Resistor
No. 2
Main Relay
No. 1
Main Relay
F11023
INSPECTION OF MAIN RELAYS
1. CHECK MAIN RELAYS OPERATION
(a) Turn on the ignition switch.
(b) At this time an operation noise will occur from the
relay.
2. MEASURE RESISTANCE OF MAIN RELAYS
(a) Remove the No. 1 main relay from the relay block.
Unplug the connector from the No. 2 main relay.
(b) Measure the resistance between each terminal.
No. 1 Main Relay
3
1 2
4
No. 2 Main Relay
3
1 2
4
Between terminals Resistance Ω
No. 1 Main
Relay
1 — 2
3 — 4
40 — 60
Infinity
No. 2 Main
Relay
1 — 2
3 — 4
60 — 120
Infinity
