Test JH: Tachometer Output Failure: Notes

WARNING: This page is about a different car, the 2001 Mazda Tribute, 2001 Mazda B4000, 2001 Mazda B3000, 2001 Mazda B2500, and 2001 Mazda B2300. 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) 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.