F-CAN Circuit Troubleshooting
  1. Measure the resistance between ECM/PCM connector terminals A3 and A4.
Is there about 2.34−2.86 kΩ?
YES -
Go to Step 29 .
NO -
Substitute a known-good navigation unit. If the HDS identify the vehicle, replace the original navigation unit. ■
  1. Disconnect the navigation unit 32P connector (with navigation system) or the yaw rate-lateral acceleration sensor 4P connector (without navigation system).
  1. Reconnect EPS control unit connector D (28P).