DTC Troubleshooting: P0721 (9), P0722 (9)

  1. Check for continuity between PCM connector terminal C14 and output shaft (countershaft) speed sensor connector terminal No. 3.
Is there continuity?
YES -
Go to Step 24 .
NO -
Repair open in the wire between the output shaft (countershaft) speed sensor connector and PCM connector terminal C14, then go to Step 35 .
  1. Connect PCM connector C (44P).
  1. Turn the ignition switch to ON (II).