F-CAN Circuit Troubleshooting - PGM-FI System
  1. Measure resistance between ECM connector terminals A36 and A37.
Is there about 2.34−2.86 kΩ?
YES -
Go to Step 27 .
NO -
Substitute a known-good gauge control module (tach). If the HDS identify the vehicle, replace the original gauge control module (tach). ■
  1. Disconnect the gauge control module (tach) 36P connector.
  1. Reconnect the VSA modulator-control unit 46P connector.