Isuzu N-Series. Manual — part 653
6E-34 Engine Control System (4HK1)
Camshaft Position (CMP) Sensor
Clutch Switch
Crankshaft Position (CKP) Sensor
2
WHT
Boost Pressure Sensor Signal
3
RED
Boost Pressure Sensor 5 Volts
Reference
Connector No.
E-112
Connector Color
Black
Test Adapter No.
J-35616-33
Pin
Wire Color
Pin Function
1
BLK
CMP Sensor Shield Ground
2
BLU/WHT
CMP Sensor Signal
3
BLU/BLK
CMP Sensor 12 Volts Reference
Connector No.
J-216
Connector Color
Gray
Test Adapter No.
J-35616-33
Pin
Wire Color
Pin Function
1
2
3
N6A6454E
Connector No.
B-89
Connector Color
White
Test Adapter No.
J-35616-42
Pin
Wire Color
Pin Function
1
YEL/BLK
Clutch Pedal Switch Voltage
Feed
2
BRN/YEL
Clutch Pedal Switch Signal
Connector No.
E-98
Connector Color
Gray
Test Adapter No.
J-35616-64A
Pin
Wire Color
Pin Function
1
YEL
CKP Sensor High Signal
2
ORN
CKP Sensor Low Signal
N6A6552E
N6A6551E
Engine Control System (4HK1) 6E-35
Data Link Connector (DLC)
EGR Valve
Engine Coolant Temperature (ECT) Sensor
Connector No.
B-79
Connector Color
Black
Test Adapter No.
J-35616-2A
Pin
Wire Color
Pin Function
1
YEL
Diagnostic Request (ECM)
2
WHT/BLK
Class 2 Serial Communication
(EHCU)
3
—
Not Used
4
BLK
Ground
5
BLK
Ground
6
—
Not Used
7
LT BLU
Keyword Serial Communication
(ECM, TCM or HSA & SRS)
8
—
Not Used
9
—
Not Used
10
—
Not Used
11
BLK/WHT
Diagnostic Request (TCM or
HSA)
12
WHT/GRN
Diagnostic Request (EHCU)
13
GRY
Diagnostic Request (SRS)
14
—
Not Used
15
—
Not Used
16
—
Not Used
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
9
N6A3803E
Connector No.
E-94
Connector Color
Gray
Test Adapter No.
J-35616-64A
Pin
Wire Color
Pin Function
1
GRN/BLU
EGR Valve Position Sensor 5
Volts Reference
2
BRN
EGR Valve Position Sensor Low
Reference
3
WHT/ORN
EGR Valve Position Sensor
Signal
4
BLK/ORN
EGR Valve Motor Control High
Side
5
—
Not Used
6
ORN
EGR Valve Motor Control Low
Side
N6A6553E
1
2
3
N6A6457E
6E-36 Engine Control System (4HK1)
Engine Warm Up Switch
Exhaust Brake Solenoid Valve
Fuel Injector Cylinder No. 1
Connector No.
E-90
Connector Color
Gray
Test Adapter No.
J-35616-33
Pin
Wire Color
Pin Function
1
GRN/YEL
ECT Sensor Signal
2
BLK
ECT Sensor Low Reference
3
LT BLUK
ECT Gauge Signal
Connector No.
B-31
Connector Color
Gray
Test Adapter No.
J-35616-42
Pin
Wire Color
Pin Function
1
BLK
Indicator Lamp Ground
2
LT GRN/RED Illumination Lamp Voltage Feed
3
BRN/BLK
Engine Warm Up Switch Voltage
Feed
4
LT GRN/BLU
Indicator Lamp Voltage Feed
From Engine Warm Up Switch
Signal
5
BLK
Illumination Lamp Ground
6
LT GRN/BLU Engine Warm Up Switch Signal
1
2
3
4
5
6
N6A3806E
Connector No.
J-31
Connector Color
Black
Test Adapter No.
J-35616-33
Pin
Wire Color
Pin Function
1
LT GRN
Exhaust Brake Solenoid Valve
Voltage Feed
2
BLK
Exhaust Brake Solenoid Valve
Control
Connector No.
E-138
Connector Color
Silver
Pin
Wire Color
Pin Function
1
WHT
Common 1 Fuel Injector Drive
2
WHT
Common 1 Fuel Injector Drive
1 2
N6A6458E
N6A6554E
Engine Control System (4HK1) 6E-37
Fuel Injector Cylinder No. 2
Fuel Injector Cylinder No. 3
Fuel Injector Cylinder No. 4
3
GRN
Cylinder #1 Fuel Injector
Solenoid Control
Connector No.
E-139
Connector Color
Silver
Pin
Wire Color
Pin Function
1
RED
Common 2 Fuel Injector Drive
2
RED
Common 2 Fuel Injector Drive
3
BLU
Cylinder #2 Fuel Injector
Solenoid Control
Connector No.
E-138
Connector Color
Silver
Pin
Wire Color
Pin Function
N6A6554E
N6A6554E
Connector No.
E-140
Connector Color
Silver
Pin
Wire Color
Pin Function
1
RED
Common 2 Fuel Injector Drive
2
RED
Common 2 Fuel Injector Drive
3
YEL
Cylinder #3 Fuel Injector
Solenoid Control
Connector No.
E-141
Connector Color
Silver
Pin
Wire Color
Pin Function
1
WHT
Common 1 Fuel Injector Drive
2
WHT
Common 1 Fuel Injector Drive
3
BLK
Cylinder #4 Fuel Injector
Solenoid Control
N6A6554E
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