( TL19E20A20326919461FAAT00 )

DLC Circuit Troubleshooting

1. Connect DLC terminal No. 7 to body ground with a jumper wire.

1. Check for continuity between body ground and these connector terminals:

   Connector | Terminal
   --- | ---
   SRS unit A (39P) | No. 18 (LT BLU)
   VSA modulator-control unit 47P | No. 10 (LT BLU)
   EPS control unit connector D (28P) | No. 17 (LT BLU)
   Immobilizer-keyless control unit 7P | No. 5 (LT BLU)
   Audio unit 24P | No. 3 (LT BLU)
   Driver's under-dash fuse/relay box Q 20P | No. 16 (LT BLU)

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) and the appropriate connector.■

1. Check for B-CAN system DTCs without the HDS.

Is DTC U0029 indicated?

YES | - | Go to Step 34 .
NO | - | Go to Step 22 .

1. Turn the ignition switch to LOCK (0).

1. Disconnect the HDS from the DLC.