
Engine General Information and Diagnosis: Bi-Fuel LPG model 1A-82
LPG Control Module Power and Ground Circuit Check
AENAR90A1104055
Wiring Diagram
6
Main relay circuit check
1) Measure the following circuits resistance between main
relay and ECM connector.
• Main relay drive circuit (C2)
• Main power supply circuit 1 (C4)
• Main power supply circuit 2 (C5)
Are resistance 1
Ω
or less?
Go to Step 7.
Repair or replace
defective wire harness.
7
Sensor power source circuit check
1) Disconnect connector A/C refrigerant pressure sensor,
TP sensor and MAP sensor.
2) Measure the following circuits resistance between each
sensor and ECM connectors.
• A/C refrigerant pressure sensor power supply circuit
(D1)
• TP sensor power supply circuit (E1)
• MAP sensor power supply circuit (F1)
Are resistance 1
Ω
or less?
Check internal short
circuit of TP sensor,
MAP sensor and/or A/C
refrigerant pressure
sensor.
Repair or replace
defective wire harness.
Step
Action
Yes
No
A
3
4
5
6
7
1
8
[A]
12
13
14
15
16
11 10
17
C13
E485
20
21
22
23
24
26
19 18
25
29
30
31
32
33
28 27
34
3
4
5
6
7
1
8
12
13
14
15
16
11 10
17
20
21
22
23
24
26
19 18
25
29
30
31
32
33
28 27
34
2
9
2
9
2
C1
D1
D2
D3
A1
B1
B2
5V
12V
5V
LT GRN/RED E485-5
E485-24
GRY E485-14
GRY/RED
BLU/RED
E485-13
BLK/WHT
BLK/RED
11
4
IG1
BLK
BLK
+
E01-2
E01-1
C01-29
12V
5V
9
WHT
7
12V
6
3
8
10
BLK/WHT
E485-21
BLK
BLK
BLK
C13-9
C13-17
C13-26
RED/WHT
E485-1
RED/WHT
E485-10
12V
5V
5
1
BLK/RED
E01-11
C01-8 BLK
C01-28
E01-12 GRN/YEL
IAR90A110050-01
Содержание Wagon R
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