H: Speedometer/Odometer Inoperative, Ranger and Explorer

H1 CHECK CONNECTIONS


^ Verify connector is properly attached at speed sensor.


^ Are connections good and is drive tip seated properly?


Yes

GO to H2.


No


SERVICE or REPLACE as necessary, RETEST system.



H2 CHECK ODOMETER/POINTER


^ Check operation of odometer/pointer.


^ Does the odometer operate and the speedometer pointer not operate?


Yes

GO to H3.


No

REPLACE Speedometer. RECHECK speedometer for operation.



H3 CHECK SPEEDOMETER POINTER


^ Check operation of speedometer pointer.


^ Does the speedometer/pointer operate?


Yes

GO to H4.


No

REPLACE Speedometer. RECHECK speedometer for operation.



H4 CHECK VEHICLE SPEED SENSOR

^ Disconnect speedometer connector from vehicle speed sensor and remove vehicle speed sensor and check that shaft in vehicle speed sensor turns freely.


^ Does shaft turn freely?


Yes


GO to H5.

No

REPLACE Vehicle Speed Sensor. CHECK speedometer for operation.



H5 CHECK GEARS


^ Check drive gear for damage or wear.


^ Is drive gear damaged?


Yes

REPLACE damaged or worn gear. CHECK speedometer for operation.

No

System OK.