DTC Troubleshooting: P0718 (15)
  1. Check for continuity between PCM connector terminal B18 and input shaft (mainshaft) speed sensor connector terminal No. 1.
Is there continuity?
YES -
Go to Step 38 .
NO -
Repair open in the wire between PCM connector terminal B18 and the input shaft (mainshaft) speed sensor, then go to Step 32 .
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle at speeds over 20 km/h (12 mph) with the shift lever in D, and let the transmission shift through all five gears.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0718 indicated?
YES -
Check for poor connections or loose terminals between the input shaft (mainshaft) speed sensor and the PCM, then go to Step 1 .
NO -
Go to Step 37 .
  1. Monitor the OBD STATUS for P0718 in the DTCs MENU with the HDS.
Does the HDS indicate PASSED?
YES -
Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in Step 36 , go to the indicated DTC's troubleshooting.■
NO -
If the HDS indicates FAILED, check for poor connections or loose terminals between the input shaft (mainshaft) speed sensor and the PCM, then go to Step 1 . If the HDS indicates NOT COMPLETED, go to Step 35 .
  1. Reconnect all connectors.
  1. Update the PCM if it does not have the latest software, or substitute a known-good PCM.
  1. Test-drive the vehicle at speeds over 20 km/h (12 mph) with the shift lever in D, and let the transmission shift through all five gears.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0718 indicated?
YES -
Check for poor connections or loose terminals between the input shaft (mainshaft) speed sensor and the PCM. If the PCM was updated, substitute a known-good PCM, then go to Step 40 . If the PCM was substituted, go to Step 1 .
NO -
Go to Step 42 .
  1. Monitor the OBD STATUS for P0718 in the DTCs MENU with the HDS.
Does the HDS indicate PASSED?
YES -
If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other Temporary DTCs or DTCs were indicated in Step 41 , go to the indicated DTC's troubleshooting.■
NO -
If the HDS indicates FAILED, check for poor connections or loose terminals between the input shaft (mainshaft) speed sensor and the PCM. If the PCM was updated, substitute a known-good PCM, then go to Step 40 . If the PCM was substituted, go to Step 1 . If the HDS indicates NOT COMPLETED, go to Step 40 .