5-18
Engine control unit and component
f.
Connect the positive battery lead to the
connector “a”, and the negative battery
lead to the connector “b”, and then check
for continuity between the connectors “c”
and “d”. Replace the relay if out of specifi-
cation.
Do not reverse the battery leads.
g.
Turn the engine start switch to OFF.
h.
Connect the positive battery lead to the
connector “a”, and the negative battery
lead to the connector “b”, and then check
for continuity between the connectors “c”
and “d”. Replace the relay if out of specifi-
cation.
Do not reverse the battery leads.
i.
Disconnect the special service tool.
j.
Connect the main relay coupler.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
Checking the engine ECM circuit
1.
Disconnect:
• Engine ECM coupler “a” and “b”
Test harness FWY–6 “2”
90890-06872
Test harness FWY–6 “2”
YB-06872
Relay terminals continuity
“c”
“d”
1 2 3 4 5 6 7
8
R
Y
P
W
B
L
Br
O
2
1
c
b
a
d
Relay terminals continuity
“c”
“d”
1 2 3 4 5 6 7
8
R
Y
P
W
B
L
Br
O
c
b
a
d
b
a
Summary of Contents for F30B 2018
Page 1: ...6BG 28197 ZX 11 LIT 18616 03 84 USA CAN AUS and NZL Worldwide 6BG 6BT 6BG 6BT ...
Page 22: ...1 Specification Specification data 1 1 External dimensions 1 1 Clamp bracket dimensions 1 9 ...
Page 35: ...2 3 Electronic control system Electrical components 3 4 5 6 7 8 9 10 11 1 2 ...
Page 178: ...7 23 Wire harness 2 3 1 a c b 3 4 5 ...
Page 342: ...Jul 2018 ABE E ...
