Table of Contents
Advertisement
BCM Power Circuit and Ground Circuit Check
Wiring Diagram
+B
IG1
[A]
10
9
8
20
19
18
17
[A]: Junction block connector viewed from harness side
1. Junction block
Troubleshooting
Step
1
Fuse check
1) Turn ignition switch to OFF position.
2) Check circuit fuses for condition.
Are circuit fuses in good condition?
2
Power supply circuit check
1) Disconnect connectors from junction block.
2) Check for proper connection to junction block connector
at terminal "E324-2".
3) If OK, then measure voltage between "E324-2" terminal
of junction block connector and vehicle body ground.
Is voltage 10 – 14 V?
3
Power supply circuit check
1) Check for proper connection to junction block connector
at terminals "G273-2" and "G273-5".
2) If OK, turn ignition switch to ON position.
3) Measure voltage between following terminals.
• Between "G273-2" terminal of junction block
connector and vehicle body ground
• Between "G273-5" terminal of junction block
connector and vehicle body ground
Is each voltage 10 – 14 V?
1
E324-2
WHT
G273-5
BLU
G273-2
GRN
G272-9
BLK
G271-3
BLK/ORN
L314-4
BLK/ORN
G272
G271
7
6
5
4
3
2
1
6
5
4
3
2
1
16
15
14
13
12
11
12
11
10
9
8
7
Action
Body Electrical Control System:
[A]
[A]
G273
E324
2
1
2
1
6 5
4
3
2. Ignition switch
3. Battery
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
S6RW0DA204007
+BB
2
3
[A]
L314
9
8
7
6
5
4
3
2
1
10
18
17
16
15
14
13
12
11
I6RW0CA20006-02
No
Replace fuse and check
for short circuit to
ground.
Repair power supply
circuit.
Repair power supply
circuit.
10B-16
Advertisement
Chapters
Table of Contents
Troubleshooting
