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DTC TROUBLESHOOTING
Step
1
Was "Engine and Emission Control System
Check" performed?
2
Is DTC P2227 set?
3
MAP sensor check
1) Check MAP sensor and its circuit referring
to "DTC P0107 Manifold Absolute Pressure
Low Input" and "DTC P0108 Manifold Abso-
lute Pressure High Input".
Is check result satisfactory?
Table B-1 Fuel Injector Circuit Check
BLK/YEL
9
WHT/BLU
1
60A 15A
80A
C64
7
6
5
4
3
17
16
15
14
13
12
11
10
27
26
25
24
23
22
21
20
34
33
32
31
30
1. Relay/fuse box
2. Main relay
3. ECM
Action
8
2
BLK/YEL
BLK/YEL
BLK/YEL
C63
2
1
7
6
5
4
3
9
8
19
18
17
16
15
14
13
12
11
19
18
27
26
25
24
23
29
28
35
34
33
32
31
4. No.1 injector
7. No.4 injector
5. No.2 injector
8. "IG" fuse
6. No.3 injector
9. Ignition switch
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-169
Yes
Go to Step 2.
Go to Step 3.
Substitute a known-good
ECM and recheck.
BLK/WHT
BRN/WHT
BLK/RED
BLK/RED
BLK/RED
BLK/RED
4
BLU/YEL
5
BLU/WHT
6
BLU/RED
7
BLU/GRN
G91
2
1
6
5
4
3
2
10
9
8
16
15
14
13
12
11
10
9
22
21
20
27
26
25
24
23
22
21
20
19
30
29
28
35
34
33
32
31
30
Go to "Engine and Emis-
sion Control System
Check".
Substitute a known-good
ECM and recheck.
MAP sensor or its circuit
malfunction.
3
G91-28
C63-1
C64-2
C64-15
C64-1
G91-6
G91-5
C63-7
C63-6
C63-5
C63-4
1
8
7
18
17
29
28
No
BLK/ORN
BLK
BLK/ORN
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