Isuzu — Isuzu 4HK1/6HK1 Common Rail Diesel Injection Pump Service Manual

c. 6HK1 ECU Connector Terminal Layout )'9'322)'8364-2%77-+21)284-2 5) d. 6HK1 Terminal Connections -44- No. Terminal Name Content No.

Terminal Name Content A-1 CASE-GND CASE GND A-32 APS2 ACCEL POSITION 2 SIG A-2 P-GND POWER GND A-33 APS3 ACCEL POSITION 3 SIG A-3 P-GND POWER GND A-34 PACL PTO ACCEL SIG A-4 GND ECU SENSOR GND A-35 ² ² A-5 GND ECU SENSOR GND A-36 ² ² A-6 N/A (Q CONTROL RESISTOR 3) A-37 LFUEL1 FUEL LEVEL 1 SIG A-7 APS1-GND V5RTN1 A-38 LFUEL2 FUEL LEVEL 2 SIG (ATM TEMP) A-8 APS2-GND V5RTN2 A-39 VSS+ VEHICLE SPEED SENSOR+ A-9 APS3-GND V5RTN3 A-40 VSS- VEHICLE SPEED SENSOR- A-10 PACL-GND PTO ACCEL GND A-41 ACG-F ACG-F PULSE INPUT A-11 ² ² A-42 ² ² A-12 COM-GND COMMON SENSOR GND A-43 2SAXLE-SW 2SPEED AXLE SW A-13 ² ² A-44 4WD-SW FOUR WHEEL DRIVE HIGH/LOW SW A-14 VSS-SLD VSS GND A-45 AC-SW A/C CLUTCH REQUEST SW A-15 ² ² A-46 CRM-SW CRUISE ENABLE (ON/OFF) SW A-16 CAN1-SLD CAN1 SHIELD GND A-47 CRR-SW CRUISE RESUME/ACCEL SW A-17 CAN1H CAN1 HIGH A-48 CRS-SW CRUISE SET/COAST SW A-18 CAN1L CAN1 LOW A-49 +B POWER A-19 N/A (ISO14230) A-50 +B POWER A-20 CLASS2 J1850 A-51 BATT BATTERY A-21 CLASS2 J1850 A-52 M-REL POWER MAINTAIN RELAY A-22 IG0-SW IGNITION 0 (KEY-SW) A-53 M-REL POWER MAINTAIN RELAY A-23 IG1-SW IGNITION 1 A-54 APS1-VCC VBREF1 A-24 ² ² A-55 APS2-VCC VBREF2 A-25 ² ² A-56 APS3-VCC VBREF3 A-26 P-GND POWER GND A-57 ² ² A-27 P-GND POWER GND A-58 PACL-VCC PTO ACCEL VCC A-28 TACHO TACHO A-59 ² ² A-29 N/A (Q CONTROL RESISTOR 1) A-60 ² ² A-30 N/A (Q CONTROL RESISTOR 2) A-61 ACGL-SW ACG-L INPUT A-31 APS1 ACCEL POSITION 1 SIG A-62 BK1-SW BRAKE 1 SW