ECM Connector "B" (White) '91-'93 VIN X 3.4 TDC |
Pin Function |
CKT# |
Wire Color |
Component
Connector Cavity |
Codes Affect. |
Possible
Symptoms From Faulty Circuit |
B1 SES Light |
419 |
Brown/White |
Cluster Module |
None |
Bulbcheck, No
SES Light (1), Light On All The Time, Does Not Flash (2) |
B3 Diagnostic
/ Test |
451 |
White/Black |
ALDL Connector
"B" |
None |
No ALDL Data
or will not Flash (2) |
B5 Serial Data
Input / ALDL |
461 |
Orange |
ALDL Connector
"M" |
None |
No ALDL Data |
B7 TCC Control
(A/T) |
422 |
Tan/Black |
Cluster Module |
None |
No TCC, Poor
Fuel Economy, Chugging or Surge Condition |
B7 Shift Light
Control (M/T) |
456 |
Tan/Black |
Cluster Module |
None |
No Shift Light |
B8 Buffered
Speed Output |
389 |
Dk. Green |
Cluster Module |
24 (3) |
No VSS Signal,
Inoperative Speedometer, Inoperative Cruise Control |
B10 Isolated
Ignition Feed |
439 |
Pink/Black |
Bulkhead
Connector "C2" 15 Amp Fuse Ignition Switch |
None |
No Start |
(1) Open
Circuit
(2) Grounded
Circuit
(3)
Open/Grounded Circuit |