Pin assignment |
Pin |
Color |
Wire size |
Option |
Function |
1 |
Red-Blue |
2.5 |
Z19DTL/Z19DT engines |
Powertrain Main Relay Fused Supply (2) |
1 |
Red-Blue |
2.5 |
Engine Z19DTH |
Powertrain Main Relay Fused Supply (2) |
2 |
Brown |
2.5 |
Z19DTL/Z19DT engines |
Ground |
2 |
Brown |
2.5 |
Engine Z19DTH |
Ground |
4 |
Brown |
2.5 |
Z19DTL/Z19DT engines |
Ground |
4 |
Brown |
2.5 |
Engine Z19DTH |
Ground |
5 |
Red-Blue |
2.5 |
Z19DTL/Z19DT engines |
Powertrain Main Relay Fused Supply (1) |
5 |
Red-Blue |
2.5 |
Engine Z19DTH |
Powertrain Main Relay Fused Supply (1) |
6 |
Brown |
2.5 |
Z19DTL/Z19DT engines |
Ground |
6 |
Brown |
2.5 |
Engine Z19DTH |
Ground |
8 |
Brown-White |
0.5 |
Z19DTL/Z19DT engines |
Accelerator Pedal Position Low Reference (2) |
8 |
Brown-White |
0.5 |
Engine Z19DTH |
Accelerator Pedal Position Low Reference (2) |
9 |
White-Yellow |
0.5 |
Z19DTL/Z19DT engines |
Accelerator Pedal Position Signal (1) |
9 |
White-Yellow |
0.5 |
Engine Z19DTH |
Accelerator Pedal Position Signal (1) |
10 |
Brown-Green |
0.75 |
Z19DTL/Z19DT engines |
Sensor Fuel Temperature 1 Return |
10 |
Brown-Green |
0.75 |
Engine Z19DTH |
Sensor Fuel Temperature 1 Return |
11 |
Brown-White |
0.75 |
Z19DTL/Z19DT engines |
Sensor Fuel Temperature 1 Signal |
11 |
Brown-White |
0.75 |
Engine Z19DTH |
Sensor Fuel Temperature 1 Signal |
12 |
Brown-Black |
0.5 |
Z19DTL/Z19DT engines |
A/C Refrigerant Pressure Sensor Low Reference |
12 |
Brown-Black |
0.5 |
Engine Z19DTH |
A/C Refrigerant Pressure Sensor Low Reference |
13 |
Yellow-Red |
0.5 |
Z19DTL/Z19DT engines |
A/C High Pressure Switch Signal |
13 |
Yellow-Red |
0.5 |
Engine Z19DTH |
A/C High Pressure Switch Signal |
17 |
Brown-Gray |
0.5 |
Z19DTL/Z19DT engines |
Stop Lamp Switch Signal |
17 |
Brown-Gray |
0.5 |
Engine Z19DTH |
Stop Lamp Switch Signal |
19 |
Blue-White |
0.5 |
Z19DTL/Z19DT engines |
Generator Turn On Signal |
19 |
Blue-White |
0.5 |
Engine Z19DTH |
Generator Turn On Signal |
20 |
Brown-Red |
0.5 |
Z19DTL/Z19DT engines |
Fuel Pump Primary Relay Control |
20 |
Brown-Red |
0.5 |
Engine Z19DTH |
Fuel Pump Primary Relay Control |
22 |
Black-White |
0.5 |
Z19DTL/Z19DT engines |
A/C Pressure Sensor 5 Volt Reference |
22 |
Black-White |
0.5 |
Engine Z19DTH |
A/C Pressure Sensor 5 Volt Reference |
28 |
Black |
0.75 |
Z19DTL/Z19DT engines |
Ignition Voltage |
28 |
Black |
0.75 |
Engine Z19DTH |
Ignition Voltage |
29 |
Brown-Red |
0.75 |
Z19DTL/Z19DT engines |
A/C Compressor Clutch Solenoid Control |
29 |
Brown-Red |
0.75 |
Engine Z19DTH |
A/C Compressor Clutch Solenoid Control |
30 |
Brown-Red |
0.5 |
Z19DTL/Z19DT engines |
Accelerator Pedal Position Low Reference (1) |
30 |
Brown-Red |
0.5 |
Engine Z19DTH |
Accelerator Pedal Position Low Reference (1) |
31 |
White-Green |
0.5 |
Z19DTL/Z19DT engines |
Accelerator Pedal Position Signal (2) |
31 |
White-Green |
0.5 |
Engine Z19DTH |
Accelerator Pedal Position Signal (2) |
32 |
Blue-Green |
0.5 |
Z19DTL/Z19DT engines |
Exhaust Gas Temperature Sensor (2) |
32 |
Blue-Green |
0.5 |
Engine Z19DTH |
Exhaust Gas Temperature Sensor (2) |
33 |
Brown-White |
0.5 |
Z19DTL/Z19DT engines |
Exhaust Gas Temperature Sensor 2 Low Reference |
33 |
Brown-White |
0.5 |
Engine Z19DTH |
Exhaust Gas Temperature Sensor 2 Low Reference |
34 |
Blue-White |
0.5 |
Z19DTL/Z19DT engines |
Exhaust Gas Temperature Sensor (1) |
34 |
Blue-White |
0.5 |
Engine Z19DTH |
Exhaust Gas Temperature Sensor (1) |
35 |
Brown |
0.5 |
Z19DTL/Z19DT engines |
Exhaust Gas Temperature Sensor 1 Low Reference |
35 |
Brown |
0.5 |
Engine Z19DTH |
Exhaust Gas Temperature Sensor 1 Low Reference |
36 |
Blue |
0.5 |
Z19DTL/Z19DT engines |
Exhaust Pressure Sensor Signal (1) |
36 |
Blue |
0.5 |
Engine Z19DTH |
Exhaust Pressure Sensor Signal (1) |
37 |
Brown-White |
0.5 |
Z19DTL/Z19DT engines |
Exhaust Pressure Sensor Low Reference (1) |
37 |
Brown-White |
0.5 |
Engine Z19DTH |
Exhaust Pressure Sensor Low Reference (1) |
44 |
Gray |
0.5 |
Z19DTL/Z19DT engines |
Exhaust Pressure Sensor 5 Volt Reference (1) |
44 |
Gray |
0.5 |
Engine Z19DTH |
Exhaust Pressure Sensor 5 Volt Reference (1) |
45 |
Black-Red |
0.5 |
Z19DTL/Z19DT engines |
Accelerator Pedal Position 5 Volt Reference (1) |
45 |
Black-Red |
0.5 |
Engine Z19DTH |
Accelerator Pedal Position 5 Volt Reference (1) |
46 |
Black-Yellow |
0.5 |
Z19DTL/Z19DT engines |
Accelerator Pedal Position 5 Volt Reference (2) |
46 |
Black-Yellow |
0.5 |
Engine Z19DTH |
Accelerator Pedal Position 5 Volt Reference (2) |
51 |
Brown-Green |
0.75 |
Z19DTL/Z19DT engines |
Heated Oxygen Sensor Heater High Control Bank 1 Sensor (3) |
51 |
Brown-Green |
0.75 |
Engine Z19DTH |
Heated Oxygen Sensor Heater High Control Bank 1 Sensor (3) |
52 |
Blue |
0.5 |
Z19DTL/Z19DT engines |
Glow Plug Controller Diagnostic Signal |
52 |
Blue |
0.5 |
Engine Z19DTH |
Glow Plug Controller Diagnostic Signal |
64 |
Yellow-Red |
0.5 |
Z19DTL/Z19DT engines |
Heated Oxygen Sensor Collector Signal |
64 |
Yellow-Red |
0.5 |
Engine Z19DTH |
Heated Oxygen Sensor Collector Signal |
65 |
Brown-White |
0.5 |
Z19DTL/Z19DT engines |
Heated Oxygen Sensor Current Pump Signal |
65 |
Brown-White |
0.5 |
Engine Z19DTH |
Heated Oxygen Sensor Current Pump Signal |
68 |
Blue-Green |
0.5 |
Z19DTL/Z19DT engines |
Heater Fuel Control |
68 |
Blue-Green |
0.5 |
Engine Z19DTH |
Heater Fuel Control |
69 |
Brown-Yellow |
0.75 |
Z19DTL/Z19DT engines |
Cooling Fan Relay Coil Control |
69 |
Brown-Yellow |
0.75 |
Engine Z19DTH |
Cooling Fan Relay Coil Control |
70 |
Black-Red |
0.75 |
Z19DTL/Z19DT engines |
Starter Relay Coil Control |
70 |
Black-Red |
0.75 |
Engine Z19DTH |
Starter Relay Coil Control |
72 |
Brown-White |
0.5 |
Z19DTL/Z19DT engines |
Engine Main Relay Coil Control |
72 |
Brown-White |
0.5 |
Engine Z19DTH |
Engine Main Relay Coil Control |
74 |
Blue-Yellow |
0.5 |
Z19DTL/Z19DT engines |
Water In Fuel Sensor Signal |
74 |
Blue-Yellow |
0.5 |
Engine Z19DTH |
Water In Fuel Sensor Signal |
75 |
Blue-Red |
0.5 |
Z19DTL/Z19DT engines |
Generator Field Duty Cycle Signal |
75 |
Blue-Red |
0.5 |
Engine Z19DTH |
Generator Field Duty Cycle Signal |
79 |
Gray |
0.5 |
Z19DTL/Z19DT engines |
Cruise Control Clutch Pedal Position Switch Signal |
79 |
Gray |
0.5 |
Engine Z19DTH |
Cruise Control Clutch Pedal Position Switch Signal |
80 |
Black-Brown |
0.5 |
Z19DTL/Z19DT engines |
ABS Brake Switch Signal |
80 |
Black-Brown |
0.5 |
Engine Z19DTH |
ABS Brake Switch Signal |
83 |
Green |
0.5 |
Z19DTL/Z19DT engines |
High Speed GMLAN Serial Data (-) (1) |
83 |
Green |
0.5 |
Engine Z19DTH |
High Speed GMLAN Serial Data (-) (1) |
84 |
Blue |
0.5 |
Z19DTL/Z19DT engines |
High Speed GMLAN Serial Data (+) (1) |
84 |
Blue |
0.5 |
Engine Z19DTH |
High Speed GMLAN Serial Data (+) (1) |
86 |
Brown |
0.5 |
Z19DTL/Z19DT engines |
Heated Oxygen Sensor Common |
86 |
Brown |
0.5 |
Engine Z19DTH |
Heated Oxygen Sensor Common |
87 |
Green |
0.5 |
Z19DTL/Z19DT engines |
Heated Oxygen Sensor Current Adjust Signal |
87 |
Green |
0.5 |
Engine Z19DTH |
Heated Oxygen Sensor Current Adjust Signal |
90 |
Brown-Red |
0.75 |
Z19DTL/Z19DT engines |
Cooling Fan Relay Coil Control |
90 |
Brown-Red |
0.75 |
Engine Z19DTH |
Cooling Fan Relay Coil Control |
93 |
Brown-Gray |
0.5 |
Z19DTL/Z19DT engines |
Glow Plug Control |
93 |
Brown-Gray |
0.5 |
Engine Z19DTH |
Glow Plug Control |
94 |
White-Black |
0.75 |
Z19DTL/Z19DT engines |
Cooling Fan Relay Coil Control |
94 |
White-Black |
0.75 |
Engine Z19DTH |
Cooling Fan Relay Coil Control |
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