6-2-150 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
DTC Troubleshooting
Table B-1 Fuel Injector Circuit Check
Step Action Yes No
1Was “Engine and Emission Control System
Check” performed?
Go to Step 2. Go to “Engine and Emis-
sion Control System
Check”.
2 Is DTC P2227 set? Go to Step 3. Substitute a known-good
ECM and recheck.
3 MAP sensor check
1) Check MAP sensor and its circuit referring
to “DTC P0107/P0108 Manifold Absolute
Pressure Low Input/High Input”.
Is check result satisfactory?
Substitute a known-good
ECM and recheck.
MAP sensor or its circuit
malfunction.
1. Relay box 4. No.1 injector 7. No.4 injector
2. Main relay 5. No.2 injector 8. “IG COIL” fuse
3. ECM 6. No.3 injector 9. Ignition switch
E23-15
E21-28
12V
5V
E21-6
E21-5
BLK/WHT
BLK/RED
BLK/RED
BLK/RED
WHT/BLU
80A
60A 20A
BLK/YEL BLK/YEL
BLK/YEL
BLU/BLK
BLU/BLK
E22-1
E23-2
BLK/YEL
BLK/YEL
BLK
E23-1
E23 E22 E21
12345671234561234567
7
891011121314151617 8910111213141516 891011121314151617
1819
1819
1718192021222324252627 20212223 202122232425 24252627 2627
2829303132 32 282930 28293031 3133 33 323334 3435 3435
E22-5
E22-4
E22-7
E22-6
BLK/RED
BLU/WHT
BLU/YEL
BLU/RED
BLU/ORN
1
9
8
2
3
4
5
6
7
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