XJ-6 (X300) L6-4.0L (AJ16) (1996)
Speedometer Head: Component Tests and General Diagnostics
Gauge reads zero, full scale, too high or low
1. Refer to Antilock Brake System (ABS)/Traction Control for fault diagnosis of wheel speed sensor.
2. Check harness wiring and connection from Instrument pack pin 15 (24-way connector) and ABS/Traction Control Control Module (ABS/TC CM)
.
3. If all previous checks prove correct remove and open the instrument pack. Examine flexi-circuit connections to speedometer, ensuring correct and
secure figment.
4. Check continuity of flexi-circuit tracks to speedometer connections.
5. Check continuity of speedometer driver windings by disconnecting from flexi-circuit and testing between the upper central connection pin and
each of the other two pins. If open circuit is recorded renew speedometer.