ECM Connector "D" (Blue) '91-'93 VIN X 3.4 TDC |
Pin Function |
CKT# |
Wire Color |
Component
Connector Cavity |
Codes Affect. |
Possible
Symptoms From Faulty Circuit |
D3 Injector
Drive (1,3,5) |
467 |
Dk. Blue |
Injectors Blk.
Mini Harness Connector "F" |
None |
Hard to Start,
Poor Performance, Rough Idle |
D4 Injector
Ground |
450 |
Black/White |
Engine Ground |
None |
Cranks but
will not start if both injector grounds open, Check grounds
at engine block, DIS Module, P/S Pressure Switch, Injector
driver grounds, Transmission Neutral Safety Switch |
D6 Transaxle
Mode Switch |
1493 |
Dk. Blue |
Bulkhead
Connector E4, Select Switch Connector "D" |
None |
|
D6 3rd Gear
Signal |
108 |
Dk. Green |
TCC Connector
"B" |
None |
No 3rd Gear |
D7 Fuel Pump
Relay Drive |
465 |
Dk.
Green/White |
Fuel Pump
Relay Connector "5" |
None |
Hard to Start,
Long Crank Time |
D9 Injector
Driver (2, 4, 6) |
467 |
Dk. Blue |
Injectors Blk
Mini Harness Connecter "F" |
None |
Hard to Start,
Poor Performance, Rough Idle |
D10 ECM Ground |
551 |
Tan/White |
Engine Ground |
None |
No Symptoms.
If both grounds are open, no start |
D11 P/N Switch
(A/T) |
434 |
Orange/Black |
P/N Switch
Connector "A" |
None |
Poor Fuel
Economy, Stall, Incorrect Idle |
D12 ECM Ground |
551 |
Tan/White |
Engine Ground |
None |
No Symptoms.
If both grounds are open, no start |
D13 Reference |
430 |
Purple/White |
DIS Module Six
Pin Connector "E" |
None |
No Start |
D16 P/S
Pressure Signal |
495 |
Lt.
Blue/Orange |
Power Steering
Pressure Switch |
None |
Stalling
Around Corner, Retard Timing at Idle, Rough Idle |
D17 Battery
Feed |
480 |
Orange |
20 Amp Fuel
Pump Fuse FPR Connector #4 |
None |
Cranks but
will not start |
D19 DIS
Reference Low |
453 |
Black/Red |
OPS Connector
"D", DIS Module 6 Pin Connector "F" |
None |
Poor
Performance |
D22 1st Gear
Signal (4T60E) |
1457 |
Red |
TCC Solenoid
Connector "C" |
None |
No 1st Gear |
D22 Manual
Transmission Clutch Switch |
90 |
Pink |
Clutch Switch
Harness Connector "D" |
39 |
|
(1) Open
Circuit
(2) Grounded
Circuit
(3)
Open/Grounded Circuit |