Test JH: Tachometer Output Failure: Notes
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2002 Lincoln Town Car, 2002 Lincoln Navigator, 2002 Lincoln LS, 2002 Lincoln Continental, and 2002 Lincoln Blackwood. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Applies only to models with Clean Tachometer Output (CTO) circuit from Powertrain Control Module (PCM) connector terminal No. 48. After each service or repair procedure has been completed, reconnect all components. Clear DTCs and repeat QUICK TEST
procedures to ensure all EEC-V systems are working properly.