DTC Troubleshooting: P0721 (9), P0722 (9)
  1. Measure the voltage between output shaft (countershaft) speed sensor connector terminals No. 2 and No. 3.
Is there about 5 V?
YES -
Go to Step 31 .
NO -
Go to Step 27 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (49P).