Toyota 3S-GE Repair Manual page 438

IG-18
IGNITION SYSTEM — IGNITION MAIN RELAY(SW20)
//V
/
\I
Q1 ~
- T ?' / " ' 3 \ . . -F'
\ \ t _ ' ( e' 1 ' ! / \ (7029 ,-
\@/ ItI, I
Q] 4\\
Ignition
/ Main
Relay
\ 4
I
I
P055150
5 3
2
P015060 4 1
Z03036
Ohmmeter
. Continuity
Ohmmeter Ohmmeter
N° C t' '
continuity/ 2 on muitv
Ii
\H%I$I;~m
5 'Q='\
4 E0375
LE
6'
Battery
9 Ohmmeter
Ohmmeter [I] NO
. Continuity
Continuity 3 2 0 El
1
5 in i 'T
4
moors
IGNITION MAIN RELAY
(SW20)
IGNITION MAIN RELAY ("IGN")
INSPECTION
l0@O—0I
1. REMOVE IGNITION MAIN RELAY
2. INSPECT IGNITION MAIN RELAY
A. Inspect relay continuity
(a) Using an ohmmeter, check that there is continuity
between terminals I and 3.
(b) Check that there is continuity between terminals 2
and 4.
(c) Check that there is no continuity between terminals 4
and 5.
If continuity is not as specified, replace the relay.
B. Inspect relay operation
(a) Apply battery voltage across terminals I and 3.
(b) Using an ohmmeter, check that there is continuity
between the 2 and 4.
(c) Check that there is continuity between terminals 4
and 5.
If operation is not as specified, replace the relay.
3. REINSTALL IGNITION MAIN RELAY