Jetta-TDI-ECU-pins-spreadsheet-1997---Haywood-&-Sullivan

					T68 connector (ECU) Pin descriptions for 1997 Jetta TDI motor
NOTE: refer to Jetta/TDI wiring diagram at http://www.haywood-sullivan.com/vanagon/TDI/1996_Jetta_TDI_wiring_LONG3.pdf
Pin Color 1 2 3 4 BR SW/GN Not used BR/GE Row 1 Connects Description Pin Color to 156 Ground connection in DFI 24 BR wiring harness T28/10 via Tachometer 25 BR/WS G1(12) 26 SW/BR F26 wire connection 2 in DFI wiring harness wire connection 2 in DFI wiring harness Low Heat Output Relay (Pin 1) Row 2 Connect Description s to 156 Ground connection in DFI wiring harness N18 EGR Vacuum Regulator Solenoid Valve J360 High-Heat Output relay (Pin 3) 27 NOTE: this wire is indicated in the Jetta/TDI Bentley manual but was missing on my harness 28 BR/GR 29 LI/SW J246 G149 AC (Automatic Only?) Modulating Piston Displacement Sensor Pin Color 46 BR 47 RO/BL or BR/BL? 48 BL/GN 49 BR/GE Row 3 Connects Description to 156 Ground connection in DFI wiring harness N75 Wastegate Bypass Regulator Valve G2(5) K29 Glow plug indicator Light F26 wire connection 2 in DFI wiring harness Glow Plug Relay Injection Valve Commencement via 24-pin connector on left cylinder head Modulating Piston Displacement Sensor Fuel Shut-off valve via 24-pin connector on left cylinder head

5 6

BR/GE SW/BL

F26 J360

50 GE/BL 51 BR/SW

J52 via G1(3) N108 via T24(13)

7 8 9

GR/GN WS LI/WS

G149 G28 T28/26

Modulating Piston Displacement Sensor Engine Speed Sensor

30 Not used 31 BL T10/7 Automatic Only? Automatic Only? Ground connection (sensor ground) in engine compartment wiring harness Cruise Control Switch Cruise Control Switch

52 WS/GN 53 WS/SW 54 Not used 55 GR/RO

G149 N109 via T24(12)

Multi Function Display T10/9 32 GR (Fuel Consumption?) 10 NOTE: this wire is indicated in the Jetta/TDI Bentley 33 BR/BL or 220 manual but was missing on my harness BR/WS?

G79

Throttle Position Sensor

11 BL 12 GR 13 BR/RO 14 BL/BR

G80 G80 G70 G62 via T24(20) G79

15 WS/BL

Lift Needle Sensor Lift Needle Sensor Mass Air Flow (MAF) Sensor Coolant Temp Sensor via 24-pin connector on left cylinder head Throttle Position Sensor

E45 34 BL/GR E45 35 RO 36 Not used 37 GN/GR F38

56 NOTE: this wire is indicated in the Jetta/TDI Bentley 57 GE/GN G79 Throttle Position Sensor 58 Not used 59 Not used

38 SW

G1(4)

Ambient temperature Switch AC (Automatic Only?) Switched Power (15)

60 WS/GE

K

16 Not used 17 WS/RO 18 GE/RO 19 RO/GN 20 WS/GE 21 Not used 22 Not used 23 SW/GE F25 wire connection 1 in DFI wiring harness F36 T10/4 G70 F47 Clutch Pedal Switch Automatic Only? Mass Air Flow (MAF) Sensor Brake Vacuum Vent Valve Switch

39 RO/SW 40 Not used 41 Not used J317 via 42 SW/LI G1(7) TV13 43 BL/WS 44 SW/RO 45 SW/GE Not used TV11 F25

Alternator (DF terminal)

61 GR/WS 62 GN/WS 63 GE/SW 64 BL/GE 65 GR/BL 66 SW/WS 67 68 SW/GE

Terminal 30 Volatage Supply Relay Vehicle Speed Signal wire Brake Light Switch wire connection 1 in DFI wiring harness

ODB (or J362) G79 G81 G72 G79 E45

Instrument Cluster (Idiot Light?) NOTE: this wire is indicated by Bentley only OBD connector (pin 7 K-line) (or Immobilizer Control Unit) Accelerator Position Sensor Fuel Temperature Sensor Intake Air Temperature Accelerator Position Sensor Cruise Control Switch

F25

wire connection 1 in DFI wiring harness


				
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Description: Jetta-TDI-ECU-pins-spreadsheet-1997---Haywood-&-Sullivan