Engine Management Pin Out Charts
ECM Connector IdentificationECM Connectors:
Inputs and Outputs
Inputs and outputs are directed to and from the ECM through hard-wired connections and the CAN and ISO 9141/2 (Serial Communication) data buses contained in the engine management harness.
ECM Connector: EM010
ECM Connector EM010:
Pin No. Circuit
001 Ignition supply
002 Load inhibit
003 Windshield/Backlight heater request
004 A/C clutch request
005 Ignition supply
006 OK to fuel (where incorporated)
007 Not used
008 Not used
009 Battery supply
010 Brake switch (foot brake on)
011 Brake switch (cancel cruise control)
012 ISO 9141/2 (Serial Communication) in (L)
013 ISO 9141/2 (Serial Communication) out (K)
014 Parking brake switch
015 Park/Neutral switch
016 EMS control relay
017 Security acknowledged
018 Not used
019 Not used
020 Sensor ground (ECT, air intake temperature, accelerator pedal position, mechanical guard position and throttle position)
021 Sensor 5 V supply (accelerator pedal position, mechanical guard position and throttle position)
022 EGR ground
023 Signal ground 1
024 Not used
025 CAN in (-)
026 CAN in (+)
027 CAN out (-)
028 CAN out (+)
ECM Connector: EM011
ECM Connector EM011:
Pin No. Circuit
001 Cruise control set +/set - (acceleration/deceleration)
002 Not used
003 ECM programming
004 Cruise control on/off
005 Cruise control resume/cancel
006 Engine crank
007 Not used
008 Sensor 5 V supply (accelerator pedal position, mechanical guard position and throttle position)
009 ECT sensor
010 Throttle position sensor 2
011 Throttle position sensor 1
012 Sensor ground (ECT, air intake temperature, accelerator pedal position, mechanical guard position and throttle position)
013 Mechanical guard position sensor
014 Shield ground (accelerator pedal position, mechanical guard position and throttle position sensors)
015 Accelerator pedal position sensor 2
016 Accelerator pedal position sensor 1
ECM Connector: EM012
ECM Connector EM012:
Pin No. Circuit
001 EGR valve 1
002 EGR valve 2
003 EGR valve 3
004 EGR valve 4
005 A/C high pressure switch
006 A/C low pressure switch
007 Not used
008 Ignition failure amplifier 2
009 Ignition failure amplifier 1
010 A/C clutch relay
011 Not used
012 Air intake temperature sensor
013 MAFS
014 HO2SB
015 HO2SA
016 02S B (where fitted)
017 02S A (where fitted)
018 MAFS ground
019 MAFS ground
020 Not used
021 Not used
022 Shield ground (HO2S and O2S)
ECM Connector: EM013
ECM Connector EM013:
Pin No. Circuit
001 Fuel pump control
002 EMS programming
003 Cruise control switch LED
004 Not used
005 Not used
006 Not used
007 Not used
008 Not used
009 Not used
010 Not used
011 VSV3
012 VSV1
013 VSV2
014 Throttle motor relay
015 Radiator cooling fans, slow
016 Radiator cooling fans, fast
017 Knock sensor B
018 Knock sensor A
019 Engine speed sensor
020 Camshaft position sensor
021 Not used
022 Ignition coil relay
023 Ignition amplifier 4A
024 Ignition amplifier 3A
025 Ignition amplifier 2A
026 Ignition amplifier 1A
027 Shield ground (knock, engine speed and camshaft sensors)
028 Engine speed sensor ground
029 Camshaft sensor ground
030 Not used
031 Ignition amplifier 4B
032 Ignition amplifier 3B
033 Ignition amplifier 2B
034 Ignition amplifier 1B
ECM Connector: EM014
ECM Connector EM014:
Pin No. Circuit
001 Throttle motor power
002 Throttle motor power
003 Ignition supply
004 Signal ground 2
005 Throttle motor (+)
006 Throttle motor (+)
007 Throttle motor ground 2
008 Throttle motor ground 1
009 Valve timing ground
010 Power ground (miscellaneous)
011 Throttle motor (-)
012 Throttle motor (-)
ECM Connector: EM015
ECM Connector EM015:
Pin No. Circuit
001 HO2S B heater
002 HO2S A heater
003 EVAP valve
004 Injector 3B
005 Injector 2B
006 Injector 4A
007 Injector 1A
008 Valve timing solenoid B
009 Valve timing solenoid A
010 Not used
011 Injector ground (1A, 2B, 3B, 4A)
012 HO2S heaters ground
013 Not used
014 Not used
015 Injector 4B
016 Injector 3A
017 Injector 2A
018 Injector 1B
019 Not used
020 Not used
021 Not used
022 Injector ground (1B, 2A, 3A, 4B)
Engine Harness to Engine Management Harness Pin Connections
Harness Connector: P1001
Pin No. Circuit
001 Throttle position sensor 2
002 A/C compressor lock sensor ground
003 Throttle position sensor 1
004 Shield ground (throttle position sensor)
005 ECT sensor
006 Sensor ground (ECT, accelerator pedal position, mechanical guard position and throttle position)
007 EGR valve 4
008 EGR valve 1
009 EGR valve 2
010 EGR valve 3
011 Generator regulator charge warning
012 Mechanical guard position sensor
013 A/C clutch
014 Sensor 5 V supply (accelerator pedal position, mechanical guard position and throttle position)
015 Not used
016 Valve timing solenoid A
017 Knock sensor A
018 Screen ground (knock sensor A)
019 Knock sensor B
020 Shield ground (knock sensor B)
021 Engine speed sensor ground
022 Engine speed sensor
023 Screen ground (engine speed sensor)
024 Camshaft position sensor ground
025 Camshaft position sensor
026 Shield ground (camshaft sensor)
027 Valve timing solenoid B
028 Valve timing solenoids and MAFS/intake air temperature sensor supply
029 Not used
030 Injector 1A
031 Intake air temperature sensor ground
032 Injector 2A
033 Injector 3A
034 Injector 4A
035 Injector 1B
036 Injector 2B
037 Injector 3B
038 Injector 4B
039 Ignition coil 4A
040 Ignition coil 1A
041 Ignition coil 3B
042 Ignition coil 2B
043 Ignition coil 4B
044 Ignition coil 3A
045 Ignition coil 2A
046 Ignition coil 1B
047 EGR valve supply
048 Engine oil pressure sensor
049 Shield ground (accelerator pedal position and mechanical guard position sensors)
050 Accelerator pedal position 1
051 Accelerator pedal position 2
052 MAFS
053 Ignition supply
054 MAFS ground
055 A/C compressor lock sensor
056 MAFS ground
057 Intake air temperature sensor
Harness Connector: P1002
Pin No. Circuit
001 Not used
002 Not used
003 Not used
004 Not used
005 Injector supply
006 Throttle motor (-)
007 Throttle motor (+)
008 Not used
009 Not used
010 Not used
011 Not used
012 Generator regulator supply
013 Not used