1A-85 Engine General Information and Diagnosis:
Fuel Injector Circuit Check
S3RH0B1104045
Wiring Diagram
Troubleshooting
ECM
1
2
3
4
+B
C41-9
C41-21
C41-8
C41-31
BLU/YEL
BLU/WHT
BLU/RED
BLU/GRN
BLK/RED
C41 (31P)
G04 (24P)
G03 (17P)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
28 27
29
30
31
5
6
1
2
3
4
5
6
7
11
12
9
10
11
13 12
14
15
16
16
17
1
2
7
8
13
14
3
4
9
10
15
17
18
8
19
20
21
22
23
24
I2RH0B110078-01
1. No.1 injector
3. No.3 injector
2. No.2 injector
4. No.4 injector
Step
Action
Yes
No
1
Check injector for operating sound
1) Using sound scope, check each injector for operating
sound at engine cranking.
Do all 4 injector make operating sound?
Furl injector circuit is in
good condition.
Go to Step 2.
2
Does none of 4 injectors make operating sound at Step 1?
Go to Step 3.
Check coupler
connection and wire
harness of injector not
making operating sound
and injector itself.
3
Check power circuit of injectors for open and short
Is it normal?
Check all 4 injectors for
resistance respectively.
If resistance is OK,
substitute a known-
good ECM and recheck.
Power circuit open or
short.
Summary of Contents for Liana RH418
Page 4: ......
Page 222: ...3A 13 Drive Shaft Axle ...
Page 362: ...5A 136 Automatic Transmission Transaxle ...
Page 370: ...Prepared by 1st Ed Feb 2004 2nd Ed Jul 2006 367 ...