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 -
  • With driving support system: Go to Step 35 .
  • Without driving support system: Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM. ■
NO -
Substitute a known-good SRS unit. If the HDS identify the vehicle, replace the original SRS unit. ■
  1. Disconnect SRS unit connector A (39P).
  1. Reconnect the LKAS control unit 26P connector.