Page 31
Cavity
X1-68
X1-69
X1-70
X1-71
X1-72
X1-73
X1-74
X1-75
X1-76
X1-77
X1-78
X1-79
X1-80
X1-81
X1-82
X1-83
X1-84
X1-85
X1-86
X1-87
X1-88
X1-89
X1-90
X1-91
X1-92
X1-93
X1-94
X1-95
X1-96
X2-01
X2-02
X2-03
X2-04
X2-05
X2-06
X2-07
X2-08
X2-09
X2-10
X2-11
X2-12
X2-13
X2-14
X2-15
Circuit Description
O2 Sensor Pre 1 Input Pump Current
High Pressure Fuel Pump Actuator LS
SIDI Injector Valve 1 Hi LNF
Igniter EST Reference Ground Odd Bank
Igniter Driver 2
Igniter Driver 4
Engine (Coolant) Temperature
Turbo Boost Air Temperature (from TMAP-Sensor)
Air Pump Pressure Sensor 1
ETC Throttle Valve Position Reference Ground
ETC Throttle Valve Position Sensor 2
ETC Throttle Valve Position Sensor 1
O2 Sensor Pre Pump Current 1
O2 Sensor Pre 1 Hi
Sensor Supply ((Turbo) Manifold Air Pressure)
O2 Sensor Pre 1 Heater
Ground Power 1
Ground Power 2
Switched Battery 1 (P/T Main Relay)
Ground Power 3
Switched Battery 1 (P/T Main Relay) 2
Switched Battery 1 (P/T Main Relay) 3
O2 Sensor After 1 Heater
Air Pump Relay (protect for low pressure fuel shot off valve)
Fuel Tank Sensors Ref Ground
Fuel Pump Control (PWM/Relay)
Reference Ground Vehicle (AC Pressure, Brake Boost Vac., Clutch Apply Sensor)
Starter Control Relay LSD
Mass Air Flow Digital 1
Sensor Supply (Fuel Tank Pressure, Clutch Apply)
ETC Pedal 1 Sensor Signal
30
Page 32
Cavity
X2-16
X2-17
X2-18
X2-19
X2-20
X2-21
X2-22
X2-23
X2-24
X2-25
X2-26
X2-27
X2-28
X2-29
X2-30
X2-31
X2-32
X2-33
X2-34
X2-35
X2-36
X2-37
X2-38
X2-39
X2-40
X2-41
X2-42
X2-43
X2-44
X2-45
X2-46
X2-47
X2-48
X2-49
X2-50
X2-51
X2-52
X2-53
X2-54
X2-55
X2-56
X2-57
X2-58
Circuit Description
Cruise Disable – Clutch Switch (Top Of Travel)
Clutch / Park Neutral Start Pulled High)
Reverse Switch Gear Input (Manual Transmission)
Fuel Tank Vent / Canister Close Valve
Brake Boost Vacuum Pump Relay Output
Malfunction Indicator Light A
Mass Air Flow Reference Ground
O2 Sensor After 1 Reference Ground
ETC Pedal 2 Sensor Signal
Fuel Tank Level 2
Fuel Tank Pressure Sensor
Air Valve Relay
Brake Boost Vacuum Sensor (Analog)
Mass Air Flow Digital 2
Clutch / Park Neutral Start Pulled Low
Brake Switch, Cruise / TCC
Fuel Pump Control Module Reference Ground
ETC Pedal 1 Reference Ground
Sensor Supply (AC Compressor Pressure, Brake Boost)
Fuel Level 1
Clutch Position Sensor (Manual Transmission)
O2 Sensor After 1 Hi
AC Compressor Pressure
Transmission Output Speed Sensor Neg.
Accessory / Unlock
CAN1 High
Wheel Speed Sensor
AC Clutch Relay
Fan 2
Fan 1 (PWM)
ETC Pedal 2 Reference Ground
Sensor Supply ETC Pedal 2
Sensor Supply ETC Pedal 1
Induction Air Temperature
Brake Light Switch
Transmission Output Speed Sensor Pos.
Ignition Switch Run / Crank
CAN1 Low
Continuous Battery
Starter Control Relay HSD
Powertrain Main Relay Control
31
Page 33
Connectors and pin assignment E77
X1
Cavity
X2
X1-01
X1-02
X1-03
X1-04
X1-05
X1-06
X1-07
X1-08
X1-09
X1-10
X1-11
X1-12
X1-13
X1-14
X1-15
X1-16
X1-17
X1-18
X1-19
X1-20
X1-21
X1-22
X1-23
X1-24
X1-25
Circuit Description
Camshaft Phaser Exhaust 1
Camshaft Phaser Intake 1
n.c.
Injector Valve 6
Canister Purge Valve (PWM)
n.c.
Cam Position Sensor Intake 1
n.c.
Cam Position Sensor Exhaust 2
Alternator L-Terminal
Oil Condition Sensor / Level Switch
Variable Intake Manifold PWM Driver Signal Output
Reference Ground Igniter EST Even Bank
Two Step Valve Control 1
Sensor Supply 2a
Overrun Air Valve (Turbo Bypass)
Oil Pressure Switch / Oil Level Switch
Waste Gate Control
n.c.
Two Step Valve Control 2
Spare Analog Temperature Input
n.c.
n.c.
ETC Motor throttle valve positive Terminal
Camshaft Phaser Exhaust 2
32
Page 34
Cavity
Circuit Description
X1-26
X1-27
X1-28
X1-29
X1-30
X1-31
X1-32
X1-33
X1-34
X1-35
X1-36
X1-37
X1-38
X1-39
X1-40
X1-41
X1-42
X1-43
X1-44
X1-45
X1-46
X1-47
X1-48
X1-49
X1-50
X1-51
X1-52
X1-53
X1-54
X1-55
X1-56
X1-57
X1-58
X1-59
X1-60
X1-61
X1-62
X1-63
X1-64
X1-65
X1-66
X1-67
X1-68
X1-69
Injector Valve 3
n.c.
Injector Valve 5
n.c.
Alternator F-Terminal
n.c.
n.c.
Cam Position Sensor Intake 2
Cam Position Sensor Exhaust 1
Engine Position Sensor (Crank)
Fuel Rail Pressure Sensor
Manifold Absolute Pressure
Sensor Supply 1b
Sensor Supply 3a
Sensor Supply 1c
Reference Ground Sensors Engine 2 (CAM)
Reference Ground Sensors Engine 3
Reference Ground Sensors Engine 1
Reference Ground Oil Sensor
Sensor Supply 3c
Reference Ground Sensors Engine 4
Diagnosis K-Line ALDL
ETC Motor throttle valve negative Terminal
Camshaft Phaser Intake 2
Injector Valve 4
Injector Valve 1
Injector Valve 2
n.c.
n.c.
Igniter driver 1
Igniter driver 3
Igniter driver 5
n.c.
Knock Sensor 1A
Knock Sensor 2B
Oil Pressure Sensor
AIR Pump Pressure Sensor 2
n.c.
Reference Ground Sensors Manifold
VIM Position Sensor
TMAP - Manifold Absolute Pressure
O2 Sensor Pre1 LO (LSF) / Ref. Gnd O2 Sensor Pre1 (LSU)
O2 Sensor Pre1 Pump Current Input (LSU)
O2 Sensor Pre2 Pump Current (LSU)
33
Page 35
Cavity
X1-70
X1-71
X1-72
X1-73
X1-74
X1-75
X1-76
X1-77
X1-78
X1-79
X1-80
X1-81
X1-82
X1-83
X1-84
X1-85
X1-86
X1-87
X1-88
X1-89
X1-90
X1-91
X1-92
X1-93
X1-94
X1-95
X1-96
X2-01
X2-02
X2-03
X2-04
X2-05
X2-06
X2-07
X2-08
X2-09
X2-10
X2-11
X2-12
X2-13
X2-14
X2-15
X2-16
X2-17
Circuit Description
O2 Sensor Pre2 HI (LSF / LSU)
n.c.
O2 Sensor Pre2 Heater (LSF/LSU)
n.c.
n.c.
n.c.
n.c.
n.c.
Reference Ground Igniter EST Odd Bank
Igniter driver 2
Igniter driver 4
Igniter driver 6
Engine (coolant) Temperature 1
Knock Sensor 1B
Knock Sensor 2A
Oil Temperature Sensor
TMAP - Temperature / Engine (coolant) Temperature 2
AIR Pump Pressure Sensor 1
Reference Ground Throttle Valve Position
ETC Throttle Valve Position Sensor2
ETC Throttle Valve Position Sensor1
O2 Sensor Pre1 Pump Current (LSU)
O2 Sensor Pre1 HI (LSF / LSU)
O2 Sensor Pre2 LO (LSF) / Ref. Gnd O2 Sensor Pre 2 (LSU)
O2 Sensor Pre2 Pump Current Input (LSU)
Sensor Supply 1a
O2 Sensor Pre1 Heater (LSF/LSU)
Ground Power 1
Ground Power 2
Switched Battery 1 (P/T Main Relay) 1
Ground Power 3
Switched Battery 1 (P/T Main Relay) 2
Switched Battery 1 (P/T Main Relay) 3
O2 Sensor After1 Heater (LSF)
AIR Pump Relay
Reference Ground Fuel Tank Sensors
Fuel Pump Control PWM / Relay
Reference Ground Sensors Vehicle 1
Malfunction indicator light for LED
MASS Air Flow digital 1
Sensor Supply 1d
ETC Pedal 1 Sensor Signal
Cruise Disable - Clutch Switch (Top of Travel)
Clutch Switch (Start) / Park Neutral
34
Page 36
Cavity
X2-18
X2-19
X2-20
X2-21
X2-22
X2-23
X2-24
X2-25
X2-26
X2-27
X2-28
X2-29
X2-30
X2-31
X2-32
X2-33
X2-34
X2-35
X2-36
X2-37
X2-38
X2-39
X2-40
X2-41
X2-42
X2-43
X2-44
X2-45
X2-46
X2-47
X2-48
X2-49
X2-50
X2-51
X2-52
X2-53
X2-54
X2-55
X2-56
X2-57
X2-58
Circuit Description
Reverse Gear Switch Input (Man Trans)
Canister Close Valve / Fuel Tank Vent
O2 Sensor After2 Heater (LSF)
Malfunction indicator light for BULB
Reference Ground MASS Air Flow
Reference Ground O2 Sensor After 1
Reference Ground O2 Sensor After 2
ETC Pedal 2 Sensor Signal
Fuel Level 2
Fuel Tank Vapor Pressure Sensor
AIR Valves Relay
Brake Boost Vaccum sensor
Fuel Pump Control Module Diagnosis
MASS Air Flow digital 2
Brake Switch, Cruise/TCC
Reference Ground Fuel Pump Control Module
Reference Ground ETC Pedal 1
Sensor Supply 3d
Fuel Level 1
Clutch Position Sensor - Manual Trans
O2 Sensor After1
A/C Compressor Pressure
Transmission Output Speed Sensor B
Accessory / Unlock
CAN High (GMLAN) Pin 1
Wheel Speed sensor
A/C Clutch control Relay
Fan 2
Fan 1 (PWM)
Reference Ground ETC Pedal 2
Sensor Supply 3b
Sensor Supply 2b
Intake AIR Temperature
O2 Sensor After2
Brake Light Switch (Stop LP Signal)
Transmission Output Speed Sensor A
Ignition Switch Run/Crank
CAN Low (GMLAN) Pin 1
Continuous Battery
Starter Control Relay (HSD)
Powertrain Main Relay Control
35
Page 37
Connectors and pin Assignment E91
X1
Cavity
X2
X1-01
X1-02
X1-03
X1-04
X1-05
X1-06
X1-07
X1-08
X1-09
X1-10
X1-11
X1-12
X1-13
X1-14
X1-15
X1-16
X1-17
X1-18
X1-19
X1-20
X1-21
X1-22
X1-23
Circuit Description
Injector 1 "high" Bank 2
Injector 2 "high" Bank 2
Throttle plate actuator (ULU) motor plus
N.C.
N.C.
Rail pressure sensor supply
Boost pressure sensor supply
Segment (camshaft) speed sensor supply
N.C.
N.C.
N.C.
N.C.
EGR position sensor supply
Boost pressure actuator feedback sensor supply
Throttle position sensor supply
Injector 1 "high" Bank 1
Injector 2 "high" Bank 1
Throttle plate actuator (ULU) motor minus
N.C.
Boost pressure sensor ground
N.C.
N.C.
N.C.
36
Page 38
Cavity
X1-24
X1-25
X1-26
X1-27
X1-28
X1-29
X1-30
X1-31
X1-32
X1-33
X1-34
X1-35
X1-36
X1-37
X1-38
X1-39
X1-40
X1-41
X1-42
X1-43
X1-44
X1-45
X1-46
X1-47
X1-48
X1-49
X1-50
X1-51
X1-52
X1-53
X1-54
X1-55
X1-56
X1-57
X1-58
X1-59
X1-60
X2-01
X2-02
X2-03
X2-04
X2-05
X2-06
X2-07
Circuit Description
N.C.
N.C.
N.C.
N.C.
Crankshaft speed sensor signal plus
Crankshaft speed sensor signal minus
Fuel metering unit supply from BAT+a
Injector 2 "low" Bank 2
Throttle plate actuator (valve) feedback ground
Injector 2 "low" Bank 1
EGR motor plus
Segment (camshaft) speed sensor ground
Coolant temperature sensor signal
Exhaust gas temperature sensor 1 signal
Throttle plate actuator (valve) feedback signal
Boost pressure actuator feedback sensor signal
Rail pressure sensor ground
Boost pressure actuator feedback sensor ground
Air-mass sensor signal (Hot-film)
Variable swirl position feedback signal
Variable swirl actuator
Crankcase Ventilation Heater
Injector 1 "low" Bank 2
Injector 1 "low" Bank 1
Intake air temperature sensor ground
EGR motor minus
Coolant temperature sensor ground
Engine temperature sensor signal
Rail pressure sensor signal
EGR position sensor signal
Boost pressure sensor signal
Exhaust gas temperature sensor 1 ground
Intake air temperature sensor signal
EGR position sensor ground
Segment (camshaft) speed sensor signal
EGR cooling bypass
Fuel metering unit
Battery + a via main relay
Battery minus 1
Battery + b via main relay
Battery minus 2
Battery + c via main relay
Battery minus 3
Lambda sensor heating
37
Page 39
Cavity
X2-08
X2-09
X2-10
X2-11
X2-12
X2-13
X2-14
X2-15
X2-16
X2-17
X2-18
X2-19
X2-20
X2-21
X2-22
X2-23
X2-24
X2-25
X2-26
X2-27
X2-28
X2-29
X2-30
X2-31
X2-32
X2-33
X2-34
X2-35
X2-36
X2-37
X2-38
X2-39
X2-40
X2-41
X2-42
X2-43
X2-44
X2-45
X2-46
X2-47
X2-48
X2-49
X2-50
X2-51
Circuit Description
N.C.
N.C.
Fuel Tank 2 level sensor signal
N.C.
N.C.
Exhaust gas temperature sensor 2 signal
Fuel temperature sensor signal
Clutch pedal signal (Torque converter)
N.C.
Air conditioning compressor pressure sensor ground
Fuel Tank 2 level sensor ground
N.C.
N.C.
Alternator "L" signal
Accelerator pedal position sensor 2 supply
N.C.
Clutch switch supply
N.C.
Air conditioning compressor pressure sensor supply
Particle filter, differential pressure sensor supply
Accelerator pedal position sensor 1 supply
N.C.
N.C.
N.C.
Air conditioning compressor pressure sensor signal
Exhaust gas temperature sensor 2 ground
N.C.
N.C.
N.C.
Fuel Tank 1 level sensor signal
Brake main switch signal
Fuel Tank 1 level sensor ground
Vehicle speed sensor input signal
N.C.
Glow plug relay
Engine speed output signal
N.C.
Wake-up input signal
Terminal 15 (switched BAT+)
Main relay
Clutch pedal ground (Torque converter)
N.C.
N.C.
N.C.
38
Page 40
Cavity
X2-52
X2-53
X2-54
X2-55
X2-56
X2-57
X2-58
X2-59
X2-60
X2-61
X2-62
X2-63
X2-64
X2-65
X2-66
X2-67
X2-68
X2-69
X2-70
X2-71
X2-72
X2-73
X2-74
X2-75
X2-76
X2-77
X2-78
X2-79
X2-80
X2-81
X2-82
X2-83
X2-84
X2-85
X2-86
X2-87
X2-88
X2-89
X2-90
X2-91
X2-92
X2-93
X2-94
Circuit Description
N.C.
N.C.
Oil level sensor input signal
Clutch switch signal (Torque converter)
Water level sensor signal
Glow time feed back input signal, state
Accelerator pedal position sensor 2 ground
Particle filter, differential pressure sensor signal
Accelerator pedal position sensor 2 signal
Lambda sensor voltage nernst
Lambda sensor current pump
N.C.
N.C.
Controller Area Network 0 (low)
Controller Area Network 0 (high)
Accelerator pedal position sensor 1 ground
Malfunction indication lamp (MIL)
N.C.
A/C compressor relay AC/OUT
N.C.
N.C.
Boost pressure actuator (EPW)
Clutch switch 1 signal (Torque converter)
Reverse gear switch signal
Electric fuel pump, pre supply pump (high-side)
Alternator "F" signal
Redundant brake switch signal
Starter relay high
Particle filter, differential pressure sensor ground
Accelerator pedal position sensor 1 signal
Oil pressure sensor (switch) input signal
Lambda sensor, virtuelle ground
Lambda sensor current adjust
Fuel temperature sensor ground
N.C.
N.C.
N.C.
Fuel filter heating relay
Motor fan relay 2
Motor fan relay 3
N.C.
N.C.
Motor fan relay 1
39