Main Relay - Toyota 4-Runner 1985 Repair Manual

FI-64
Fusible Link
T
I
Fusible Link
I
Battery
I
~
1
-----
4
EFI SYSTEM - Electronic Control System
Ignition Switch
Main Relay
FI0033
2
Main Relay
Main Relay
o-----~~ ~o_~----------~+B
Fuse IGN
(7.5A)
ECU
INSPECTION OF MAIN RELAY
1. CHECK MAIN RELAY OPERATION
(a) Turn on the ignition switch.
FI0032
(b) At this time an operation noise will occur from tt.v
relay.
2. MEASURE RESISTANCE OF MAIN RELAYS
(a) Remove the main relay from the relay block.
(b) Measure the resistance between each terminal.
--------
Between terminals
Resistance (0)
Main relay
1
-2
60 -80
3 - 4
Infinity
A03958