TL V6-3.5L (2007)
18. Connect DLC terminals No. 1 and No. 7 to body ground with a jumper wire.
19. Check for continuity between body ground and these connector terminals:
Is there continuity between the DLC terminal and each of the terminals in the chart?
YES - Replace the unit that does not communicate with the HDS.
NO - Repair open in the wire between the DLC (K-line or DIAG-H line) and the appropriate connector.
20. Check for B-CAN system DTCs without the HDS.
Is DTC B1168, B1169, and/or B1178 indicated?
YES - Go to step 34.
NO - Go to step 21.
21. Turn the ignition switch OFF.
22. Disconnect the HDS from the DLC.
23. Measure voltage between DLC terminal No. 16 and body ground.
Is there battery voltage?
YES - Go to step 24.
NO - Repair open in the wire between DLC terminal No. 16 and the No. 8 FI ECU (ECM/PCM) (15 A) fuse in the under-hood fuse/relay box.
24. Measure voltage between DLC terminals No. 4 and No. 16.
