| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | AA | AB | AC | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | OEM ECU pin | Hellen121vag function | 2000 1.8T a4 (ME7.1, NBO2, NO VVT, DBW) | 2006 Jetta 2.5 BGQ | 2003 Audi A6 2.7t | 2001 Audi A4 1.8t (ME7.5, WBO2, VVT, DBW) | 2003 Audi A6 4.2 | 2003 Audi A6 3.0 | 2000 2.8 A4 | 2002 - 1.8T AUQ/ARX/BAM ( | VR6 2.8 12V 2000 2001 AFP | VR6 3.2 24V 2004 | R32 BUB 3.2 - 2006-2009 | OEM ECU pin | |||||||||||||||
2 | https://github.com/rusefi/rusefi/wiki/VAG-B5#2000-18t | https://github.com/rusefi/rusefi/wiki/VAG-C5#2003-a6-27t | https://github.com/rusefi/rusefi/wiki/VAG-C5#2003-a6-42 | ME 7.5, WBO, EGT Transverse position) | |||||||||||||||||||||||||
3 | https://github.com/rusefi/rusefi/wiki/Vault-Of-Vag-Info#2006-jetta-25 | https://github.com/rusefi/rusefi/wiki/VAG-C5#2003-a6-30 | |||||||||||||||||||||||||||
4 | Beta User | deaner | Tire guy | Matt's friend | NYL | BY RIKIVOLKS | mark | NYL | Beta User | ||||||||||||||||||||
5 | 1 | Power GND (GND) | Power GND | Power GND | Power GND | ECU Ground | Power GND | Power GND | Power GND | Power GND | 1 | ||||||||||||||||||
6 | 2 | Power GND (GND) | Power GND | Power GND | Power GND | ECU Ground | Power GND | Power GND | Power GND | Power GND | 2 | ||||||||||||||||||
7 | 3 | jumper: ECU power or power from Main Relay | ON +12V (from ign key) | Switched 12v via MainRelay 25A | Switched 12v via IGN Switch | Switched 12v | Switched 12v (from MRel) | +12V from IGN switch | 12V Switched live | 12v fuse 29 15 amp from ign switch | Switched 12V | 3 | |||||||||||||||||
8 | 4 | NC | n/a | n/a | Lambda B2S1 heater | Lambda B2S1 heater | n/a | 4 | |||||||||||||||||||||
9 | 5 | NC | #1 O2 heater | Lambda1 WB Heater | Lambda B1S1 heater | Lambda Heater | Lambda B1S1 heater | to O2#1 wideband pin 4 | 5 | ||||||||||||||||||||
10 | 6 | NC | n/a | Lambda3 heater | Lambda B2S2 heater | Lambda B2S2 heater | n/a | 6 | |||||||||||||||||||||
11 | 7 | coil logic level output (OUT_IGN2) | n/a | n/a | n/a | Coil #2 | n/a | 7 | |||||||||||||||||||||
12 | 8 | coil logic level output (OUT_IGN7) | n/a | n/a | n/a | Coil #7 | n/a | 8 | |||||||||||||||||||||
13 | 9 | proto VIA | secondary air inj solenoid | n/a | Idle air cntrl cut off valve | Secondary Air Sol | n/a | secondary air inj solenoid | n/a | 9 | |||||||||||||||||||
14 | 10 | proto VIA | n/a | Lambda3 ground | Lambda B2S2 ground | Lambda B2S2 ground | Oil Pressure | n/a | 10 | ||||||||||||||||||||
15 | 11 | proto VIA | n/a | Lambda3 signal | Lambda B2S2 signal | Lambda B2S2 signal | n/a | 11 | |||||||||||||||||||||
16 | 12 | proto VIA | n/a | n/a | Lambda B2S1 ground | Lambda B2S1 ground | n/a | 12 | |||||||||||||||||||||
17 | 13 | proto VIA | n/a | n/a | Lambda B2S1 signal | Lambda B2S1 signal | n/a | 13 | |||||||||||||||||||||
18 | 14 | external AFR with via (IN_O2S, ADC_0) | n/a | n/a | n/a | n/a | n/a | 14 | |||||||||||||||||||||
19 | 15 | NC | n/a | n/a | n/a | n/a | n/a | 15 | |||||||||||||||||||||
20 | 16 | NC | n/a | n/a | n/a | n/a | n/a | 16 | |||||||||||||||||||||
21 | 17 | proto VIA | n/a | CLT signal (radiator) | n/a | n/a | n/a | G83 Radiator sensor | 17 | ||||||||||||||||||||
22 | 18 | low side solenoid (OUT_VVT2_1 = OUT_COIL_B1) with jumper | n/a | n/a | brake boost press sensor signal | n/a | VVT#2 (cam) coil1 | n/a | 18 | ||||||||||||||||||||
23 | 19 | injector #7 (OUT_INJ7) | n/a | n/a | n/a | Injector #2 | n/a | N321 Exhaust Flap | 19 | ||||||||||||||||||||
24 | 20 | proto VIA | n/a | n/a | EGT bank2 | n/a | n/a | 20 | |||||||||||||||||||||
25 | 21 | low side main relay control (OUT_MAIN), see #23: via+jumper+via | main relay (coils & ecu pin121) | ON from elec sys cntr mod (not sure) | n/a | Main Power Relay | On from IGN Switch (run/start) 10A | n/a | Terminal 15 (ign) | Ignition Switch Status +12V | 21 | ||||||||||||||||||
26 | 22 | low side solenoid (OUT_VVT1_1 = LOW7+LOW11) | n/a | n/a | n/a | n/a | VVT#1 coil 1 | n/a | 22 | ||||||||||||||||||||
27 | 23 | low side relay control (OUT_MAIN = LOW3), see #21: via+jumper+via | n/a | Main relay control | n/a | Main relay control | Main relay control | n/a | Main Relay output (runs 2) | Trigger for ECU and Coilpack relay -to relay ping 85 | 23 | ||||||||||||||||||
28 | 24 | injector #8 (OUT_INJ8) | n/a | n/a | n/a | Injector #7 | n/a | 24 | |||||||||||||||||||||
29 | 25 | NC | leak detection pump pin2 | leak detection pump pin2 | leak detection pump pin2 | EVAP/Leak Detection Pump | leak detection pump pin2 | LEAK DETECTION PUMP (LDP) INSIDE RIGHTREAR WHEELHOUSING) | 25 | ||||||||||||||||||||
30 | 26 | analog input IAT, = #85 (IN_IAT, ADC_13) | n/a | IAT signal from MAF | n/a | IAT signal from MAF | MAF PIN1 VIO/GRN | IAT | 26 | ||||||||||||||||||||
31 | 27 | sensor GND (GNDA) | MAF Ground | MAF Ground | MAF Ground | MAF Ground | MAF Ground | MAF PIN3 GRN | MAF GND | 27 | |||||||||||||||||||
32 | 28 | proto VIA | n/a | start/charge sys | n/a | Altenator (I think...) | n/a | STARTING/CHARGING SYTEM BLU/VIO | Alternator Charging start | 28 | |||||||||||||||||||
33 | 29 | analog input MAF (IN_MAP1, ADC_10) | MAF signal | MAF signal pin5 | MAF Signal | MAF Signal | MAF Signal | MAF PIN 5 SIGNAL BLK | MAF Sig | 29 | |||||||||||||||||||
34 | 30 | NC | n/a | n/a | n/a | n/a | WHT/GRN NOT USE | 30 | |||||||||||||||||||||
35 | 31 | NC | n/a | n/a | n/a | n/a | n/a | 31 | |||||||||||||||||||||
36 | 32 | power GND (GND) | signal shield | n/a | Shielding for lambda sensors | Shielding for lambda sensors and MAF | n/a | n/a | 32 | ||||||||||||||||||||
37 | 33 | sensor GND (GNDA) | pedal TPS1 GND | TPP 1 GRND | TPP 1 GRND | TPP 1 GRND | TPP 1 GRND | PEDAL PIN5 GRY/BLU | APP GND | 33 | |||||||||||||||||||
38 | 34 | analog input PPS1 (IN_PPS, ADC_3) | pedal TPS1 signal | TPP 1 SIGNAL | TPP 1 SIGNAL | TPP 1 SIGNAL | TPP 1 SIGNAL | PEDAL PIN6 BRN/WHIT | APP 1 | 34 | |||||||||||||||||||
39 | 35 | analog input PPS2 (IN_AUX2, ADC_14) | pedal TPS2 signal | TPP 2 SIGNAL | TPP 2 SIGNAL | TPP 2 SIGNAL | TPP 2 SIGNAL | PEDAL PIN 4 WHT/BLU | APP GND | 35 | |||||||||||||||||||
40 | 36 | sensor GND (GNDA) | pedal TPS2 GND | TPP 2 GRND | TPP 2 GRND | TPP 2 GRND | TPP 2 GRND | PEDAL PIN 3 GRY/RED | APP 2 | 36 | |||||||||||||||||||
41 | 37 | via+jumper+via (push-pull output #1) | to cluster (unknown) | n/a | to cluster (RPM) and AC sys | RPM to cluster | to cluster (unknown) | RPM OUT TO CLUSTER GRN/BRN | 37 | ||||||||||||||||||||
42 | 38 | digital input (IN_RES1), pull-down | to cruise ctrl sys | steering column module | to cruise ctrl sys | Cruise Control switch (on/off 1) | to cruise ctrl sys | to cruise ctrl sys BLK/WHT | vss | J527 - Steering Column Electronics | 38 | ||||||||||||||||||
43 | 39 | digital input (IN_RES2), pull-down | clutch vacuum vent valve switch | clutch pos sensor pin2 | Clutch Pedal Switch N/C | Clutch Pedal Switch | Clutch Pedal Switch N/C | clutch vacuum vent valve switch SIGNAL 12V FUSE 5 7.5AMP | Clutch Pedal Switch Signal | 39 | |||||||||||||||||||
44 | 40 | proto via | AC sys | n/a | AC sys | AC (not exactly sure, not being used with my current SEMS) | AC sys | AC sys | 40 | ||||||||||||||||||||
45 | 41 | proto via | AC sys | n/a | AC sys | AC status/ AC disable | AC sys | AC | AC sys | 41 | |||||||||||||||||||
46 | 42 | NC | n/a | n/a | n/a | n/a | n/a | 42 | |||||||||||||||||||||
47 | 43 | proto via | to cluster & OBD2 pin7 (k-line) | DataLink pin7 | to cluster & OBD2 pin7 (k-line) | K line | to cluster & OBD2 pin7 (k-line) | to cluster & OBD2 pin7 (k-line) | K-Line diagnostics | 43 | |||||||||||||||||||
48 | 44 | proto via | n/a | n/a | air injection solenoid | air injection solenoid | SAI N112 BRN/YEL | 44 | |||||||||||||||||||||
49 | 45 | proto via | n/a | n/a | brake boost vacuum pump relay | intake manifold tuning valve 2 | n/a | 45 | |||||||||||||||||||||
50 | 46 | proto via | n/a | air inj pump relay | air inj pump relay | air inj pump relay | SAI PUMP RELAY GRY/BRN | SAI Relay Pump | 46 | ||||||||||||||||||||
51 | 47 | low side check engine with jumper to disable (OUT_CE = LOW4) | to cluster (Check engine light?) | n/a | n/a | cluster, CEL lamp | n/a | NOT USE | 47 | ||||||||||||||||||||
52 | 48 | proto via | to cluster (unknown) | n/a | n/a | cluster, EPC lamp | intake manifold tuning valve 1 | NOT USE | Coolant pump control relay output - earth trigger | 48 | |||||||||||||||||||
53 | 49 | proto via (IAT #2) | n/a | IAT 2 signal | n/a | n/a | N/A NEED ADDS MAP SENSOR 1,8T OR TDI GIVE SIGNAL PIN 2 | 49 | |||||||||||||||||||||
54 | 50 | sensor GND (GNDA) | n/a | sensor ground (CLT, IAT2) | n/a | n/a | N/A CAN USE TO GRND SENSOR | 50 | |||||||||||||||||||||
55 | 51 | proto via | #1 O2 sensor ground | Lambda1 WB pin2 | Lambda B1S1 ground | Lambda nernst | Lambda B1S1 ground | **O2#1 PIN5 ORG/VIO | 51 | ||||||||||||||||||||
56 | 52 | proto via | n/a | Lambda1 WB pin1 | n/a | Lambda ion | n/a | **O2#1 PIN6 ORG/BRN | 52 | ||||||||||||||||||||
57 | 53 | 5v for MAF (V5A) | MAF 5v from ecu | MAF 5V ref pin4 | MAF 5v ref | MAF 5v ref | MAF 5v ref | MAF PIN4 RED/VIO | MAF 5v | 53 | |||||||||||||||||||
58 | 54 | digital input (IN_VSS) | to cluster (unknown) | n/a | to cluster (vehicle speed) | Vehicle Speed | n/a | CMP signal 4 | VSS IN | VSS TO ENGINE FROM CLUSTER BLU/WHT | 54 | ||||||||||||||||||
59 | 55 | digital input (IN_D1), pull-down | to cruise ctrl sys | Brake pedal switch N/C | Brake pedal switch N/C | Brake pedal switch | Brake pedal switch N/C | TO CRUISE CONTROL SYSTEM WHT/YEL | CAN Switch Brake | 55 | |||||||||||||||||||
60 | 56 | proto via | from brake light switch (+12v) | Brake pedal switch N/O | Brake pedal switch N/O | Brake pedal switch N/O | BRAKE LIGHT SWITCH 12V FUSE 13 | CAN Switch Brake | 56 | ||||||||||||||||||||
61 | 57 | digital input (IN_D2), pull-down | to cruise ctrl sys | n/a | to cruise ctrl sys | Cruise Control switch (on/off 2) | to cruise ctrl sys | TO CRUISE CONTROL SYSTEM RED/YEL | 57 | ||||||||||||||||||||
62 | 58 | CAN L | abs, trans, cluster | OBD2 pin6 | CAN Low | CAN Low | CAN Low | CAN BUS L | CAN BUS L | 58 | |||||||||||||||||||
63 | 59 | power ground (GND) | n/a | n/a | n/a | CAN Shielding | n/a | N/A | 59 | ||||||||||||||||||||
64 | 60 | CAN H | abs, trans, cluster | OBD2 pin16 | CAN High | CAN High | CAN High | CAN BUS H | CAN BUS H | 60 | |||||||||||||||||||
65 | 61 | proto VIA | n/a | n/a | EGT bank1 analog signal | AC Pressure switch | n/a | EGT Probe | AC sys | 61 | |||||||||||||||||||
66 | 62 | Battery Constant (V12_PERM) | Batt +12V | Battery Constant | Battery Constant | Battery Constant | Battery Constant | Battery Constant | 12V ALL TIME FUSE 10 15A | <- | To D30 postive 30A | 62 | |||||||||||||||||
67 | 63 | proto via | #2 O2 heater | Lambda2 heater | Lambda B1S2 heater | lambda 2 heater | Lambda B1S2 heater | O2 #2 PIN 2 BRN/BLK NOT USE | 63 | ||||||||||||||||||||
68 | 64 | proto via | EVAP solenoid | EVAP purge solenoid | EVAP purge solenoid | EVAP purge solenoid | EVAP purge solenoid | EVAP purge solenoid | EVAP VIO/RED | N80 Charcoal Solenoid | 64 | ||||||||||||||||||
69 | 65 | low side relay control (OUT_PUMP = LOW10) | Fuel pump relay | Fuel pump relay | Fuel pump relay | Fuel pump relay | Fuel pump relay | Fuel pump relay | FUEL PUMP RELAY CONTROL | Fuel Pump Relay | 65 | ||||||||||||||||||
70 | 66 | proto via | secondary air inj air pump relay | Rad fan module pin3 | n/a | Secondary Pump Relay | n/a | N/A | To radiator fan (low speed?) | 66 | |||||||||||||||||||
71 | 67 | proto via | to hazards and airbag module | n/a | to hazards and airbag module | to hazards and airbag module | NA | 67 | |||||||||||||||||||||
72 | 68 | proto via | #2 O2 sensor ground | Lambda 2 GRND | Lambda B1S2 ground | Lambda 2 GRND | Lambda B1S2 ground | O2 #2 PIN 3 GRY/WHIT NOT USE | 68 | ||||||||||||||||||||
73 | 69 | proto via | #2 O2 sensor signal | Lambda 2 Signal | Lambda B1S2 signal | Lambda B1S2 signal | O2 #2PIN 4 GRY/RED not use | 69 | |||||||||||||||||||||
74 | 70 | proto via | #1 O2 sensor signal | Lambda 1 (WB) pin6 signal | Lambda B1S1 signal | Lambda 1 signal | Lambda B1S1 signal | **O2 #1 PIN 1 GRN | 70 | ||||||||||||||||||||
75 | 71 | proto via | n/a | Lambda 1 (WB) pin5 Calbr Res | n/a | Lambda 2 Calibration Resistance | n/a | **O2 # PIN2 BLK | 71 | ||||||||||||||||||||
76 | 72 | 5v pps feed (V5A) | pedal TPS1 +5V | TPPS1 5v ref | TPPS1 5v ref | TPP 1 5v ref | TPPS1 5v ref | PEDAL PIN1 GRN/WHT | APP 5V | 72 | |||||||||||||||||||
77 | 73 | 5v pps feed (V5A) | pedal TPS2 +5V | TPPS2 5v ref | TPPS2 5v ref | TPP 2 5v ref | TPPS2 5v ref | PEDAL PIN2 YEL/GRN | APP 5V | 73 | |||||||||||||||||||
78 | 74 | proto VIA | ABS | n/a | n/a | n/a | N/A | 74 | |||||||||||||||||||||
79 | 75 | digital input (IN_D3), pull-down | to cruise ctrl sys | n/a | to cruise ctrl sys | Cruise Control Switch(SET) | to cruise ctrl sys | TO CRUISE CONTROL SYSTEM BLU/GRY | 75 | ||||||||||||||||||||
80 | 76 | digital input (IN_D4), pull-down | to cruise ctrl sys | n/a | to cruise ctrl sys | Cruise Control Switch(RESUME) | to cruise ctrl sys | TO CRUISE CONTROL SYSTEM WHT | 76 | ||||||||||||||||||||
81 | 77 | NC | n/a | n/a | n/a | n/a | N/A | 77 | |||||||||||||||||||||
82 | 78 | NC | n/a | n/a | n/a | n/a | N/A | 78 | |||||||||||||||||||||
83 | 79 | NC | n/a | n/a | n/a | n/a | N/A | 79 | |||||||||||||||||||||
84 | 80 | proto VIA | leak detection pump pin1 | leak detection pump pin1 | leak detection pump pin1 | Leak detection pump | leak detection pump pin1 | LEAK DETECTION PUMP PIN1 GRY/VIO | 80 | ||||||||||||||||||||
85 | 81 | via+jumper+via (push-pull output #2) | to cluster (unknown) | n/a | n/a | Cluster(MFA) Fuel Consumption Signal | n/a | CMP signal 3 | NOT USE | 81 | |||||||||||||||||||
86 | 82 | VR+ (IN_CRANK, ADC_9 + EXT_1) | CKP - | CKP + (pin2) | CKP + | CKP + | CKP + | CRANK PIN3 WHT | 5V | 82 | |||||||||||||||||||
87 | 83 | 5v TPS feed (V5A) | ETB sensor +5V | ETB sensor +5V | ETB sensor +5V | TPS 5v ref | ETB sensor +5V | ETB THROTTLE PIN2 VIO/RED | 83 | ||||||||||||||||||||
88 | 84 | analog input TPS#2 (IN_AUX1, ADC_8) | ETB position signal 2 | ETB position signal 2 | ETB position signal 3 | TPS #2 signal | ETB position signal 2 | ETB THROTTLE PIN4 VIO/YEL | 84 | ||||||||||||||||||||
89 | 85 | analog input temperature (IN_IAT, ADC_13), 2.7K pull-down | IAT signal | n/a | IAT signal | IAT signal | n/a | (N/A VR6 ) ADDS FROM 1.8T I INTAKE TEMPERATURE SENSOR 2WIRE | 85 | ||||||||||||||||||||
90 | 86 | camshaft input 1 (IN_CAM, ADC_6 + EXT_6) | CMP signal | CMP signal | CMP signal bank2 | CMP signal | CMP signal bank2 | CMP signal 2 | CAM INPUT PIN2 VIO/BRN | Intake Cam | 86 | ||||||||||||||||||
91 | 87 | camshaft input 2 (IN_AUX4, ADC_7 + EXT_7) | n/a | n/a | CMP signal bank1 | CMP signal bank1 | CMP signal 1 | N/A | Exhaust cam | 87 | |||||||||||||||||||
92 | 88 | injector #4 (OUT_INJ4) | injector #4 | injector #4 | injector #3 | injector #4 | Injector #4 | INJECTOR #3 VIO/BLU | INJECTOR #3 Blu/Red | 88 | |||||||||||||||||||
93 | 89 | injector #2 (OUT_INJ2) | injector #2 | injector #5 | injector #6 | Injector #2 | Injector #8 | INJECTOR #6 GRN/YEL | INJECTOR #6 Blu | 89 | |||||||||||||||||||
94 | 90 | VR - (VREF1) | CKP + | CKP - | CKP - | CKP - | CKP - | CRANKS PIN2 BRN | Sig | 90 | |||||||||||||||||||
95 | 91 | analog GND (GNDA) | ETB sensor ground | ETB sensor ground | ETB sensor ground | TPS GRND | ETB sensor ground | ETB THROTTLE PIN6 WHT | <- | 91 | |||||||||||||||||||
96 | 92 | analog input TPS#1 (IN_TPS, ADC_4) | ETB position signal 1 | ETB position signal 1 | ETB position signal 2 | TPS #1 signal | ETB position signal 1 | ETB THROTTLE PIN 1 VIO/BLK | <- | 92 | |||||||||||||||||||
97 | 93 | analog input temperature (IN_CLT, ADC_12), 2.7K pull-down | CLT signal | CLT signal | CLT signal | CLT signal | CLT signal | ECT (CLT) TEMP. PIN3 BLU | ECT | 93 | |||||||||||||||||||
98 | 94 | coil logic level output (OUT_IGN4) | Coil #4 | Coil #4 | Coil igniter bank1 (coil1??) | Coil #4 | Coil #4 | SPARK COIL #3 CYL 3 & 4 | Ign #3 grn/blk | 94 | |||||||||||||||||||
99 | 95 | coil logic level output (OUT_IGN8) | Coil #2 | Coil #5 | Coil igniter bank2 (coil4??) | Coil #2 | Coil #8 | N/A | Ign #6 Grn/Vio | 95 | |||||||||||||||||||
100 | 96 | injector #1 (OUT_INJ1) | injector #1 | injector #1 | injector #1 | Injector #1 | Injector #1 | INJECTOR #1 VIO | INJECTOR #1 Blu/Wht | 96 |