Speed Sensor Resistance Reading - Manual Revision

90ford27
^ ENGINE/EMISSIONS DIAGNOSIS SHOP MANUAL- 1988-PAGE 19-109-VEHICLE SPEED SENSOR PINPOINT TEST PROCEDURE REVISED

^ ENGINE/EMISSIONS DIAGNOSIS SHOP MANUAL- 1989-PAGE 17-142-VEHICLE SPEED SENSOR PINPOINT TEST PROCEDURE REVISED

^ ENGINE/EMISSIONS DIAGNOSIS SHOP MANUAL- 1990-PAGE 17-146-VEHICLE SPEED SENSOR PINPOINT TEST PROCEDURE REVISED
Article No. 90-18B-1
FORD: 1988-90 TAURUS, THUNDERBIRD

LINCOLN-MERCURY: 1988-90 COUGAR, MARK VII, SABLE, TOWN CAR

LIGHT TRUCK: 1988-90 AEROSTAR
ISSUE: The resistance reading of 10,000 ohm shown in the Vehicle Speed Sensor






Pinpoint Test DP on page 19-109 OF THE 1988 Engine/Emissions Diagnosis Shop






Manual, page 17-142 of the 1989 Engine/Emissions Diagnosis Shop Manual






and page 17-146 of the 1990 Engine/Emissions Diagnosis Shop Manual is incorrect. The correct reading is 500 ohms.
ACTION: Refer to the pages following this TSB article for the revised test procedures.


OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 490000