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Ecu Haltech

The Haltech ESP I/O Report details the input and output configurations for a Chevy SBC ELOK ECU as of July 21, 2022. It includes information on analogue voltage inputs, digital pulsed outputs, knock inputs, pressure inputs, sync pulsed inputs, and system references. Additionally, it outlines the connections for a single wideband box and various sensor power supplies.

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Nofriagara Davit Harnawan
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37 views3 pages

Ecu Haltech

The Haltech ESP I/O Report details the input and output configurations for a Chevy SBC ELOK ECU as of July 21, 2022. It includes information on analogue voltage inputs, digital pulsed outputs, knock inputs, pressure inputs, sync pulsed inputs, and system references. Additionally, it outlines the connections for a single wideband box and various sensor power supplies.

Uploaded by

Nofriagara Davit Harnawan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Haltech ESP I/O Report - CHEVY-SBC-ELOK - 21/07/2022 13:00:30 - Page 1

ECU
Analogue Voltage Inputs
B13 GY/Y AVI1
A16 O/B AVI2
A17 O/R AVI3 DUA LMAP
A2 O/Y AVI4 Antilag Switch
B20 O/G AVI5
B12 GY/O AVI6
B3 GY AVI7 Intake Air Temperature Sensor
B4 V AVI8 Coolant Temperature Sensor
A15 Y AVI9 Manifold Pressure Sensor
A14 W AVI10 Throttle Position Sensor

Digital Pulsed Outputs


A18 V/B DPO1 Tacho
A1 V/BR DPO2 Thermofan 2 Relay/Controller
A23 V/R DPO3 Thermofan 1 Relay/Controller
B19 V/O DPO4 EWP
A24 B/Y DPO5 Fuel Pump Relay/Controller
A25 B/R DPO6
A3 Y/B IGN1 Ignition Output 1
A4 Y/R IGN2 Ignition Output 2
A5 Y/O IGN3 Ignition Output 3
A6 Y/G IGN4 Ignition Output 4
A7 Y/BR IGN5 Ignition Output 5
A8 Y/L IGN6 Ignition Output 6
B17 Y/V IGN7 Ignition Output 7
B18 Y/GY IGN8 Ignition Output 8
A19 L INJ1 Stage 1 - Injection Output 1
A20 L/B INJ2 Stage 1 - Injection Output 2
A21 L/BR INJ3 Stage 1 - Injection Output 3
A22 L/R INJ4 Stage 1 - Injection Output 4
A27 L/O INJ5 Stage 1 - Injection Output 5
A28 L/Y INJ6 Stage 1 - Injection Output 6
A29 L/G INJ7 Stage 1 - Injection Output 7
A30 L/V INJ8 Stage 1 - Injection Output 8
A31 G STEP1 P1 Idle Control - Main
A32 G/B STEP1 P2
A33 G/BR STEP1 P3 Shift Light 1
A34 G/R STEP1 P4

Home Input
B2 Y Home
Haltech ESP I/O Report - CHEVY-SBC-ELOK - 21/07/2022 13:00:30 - Page 2

ECU
Knock Inputs
B21 GY/G Knock Input 1
B22 GY/L Knock Input 2

Pressure Inputs

OBPS1 Barometric Pressure Sensor

Sync Pulsed Inputs


B8 GY SPI1
B9 GY/B SPI2
B10 GY/BR SPI3
B7 GY/R SPI4

Stepper Outputs
A31 G
A32 G/B
STEP1
A33 G/BR
A34 G/R

System References
A9 O +5V DC 5V Sensors
A12 O/W +8V Sensor Supply 8V Sensors
B11 R/W +12V ECU Power Fused Power from ECR
A13 P +12V Ignition Input Ignition Switch
A26 R/L +12V Injector Power 20A Fused Power
A10 B
Battery Ground Battery (-ve)
A11 B
AUX2 B CAN Ground CAN Signal Ground
AUX3 W CAN High - Aux connector CAN High (Haltech CAN System)
B23 W CAN High - Main Connector CAN High (Vehicle Bus)
AUX4 L CAN Low - Aux connector CAN Low (Haltech CAN System)
B24 L CAN Low - Main Connector CAN Low (Vehicle Bus)
AUX1 R CAN Power 3 Amp limit
A25 B/R ECR Out ECR Output
B2 Y Home (+ve) Home System (+)
B6 G Home (-ve)
B14 B/W
B15 B/W Signal Ground 0V Sensors
B16 B/W
B1 Y Trigger (+ve) Trigger System (+)
Haltech ESP I/O Report - CHEVY-SBC-ELOK - 21/07/2022 13:00:30 - Page 3

ECU
System References
B5 G Trigger (-ve)

Single Wideband Box


Wideband Inputs

WBC1A WBI1

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