DTC Troubleshooting: P0135 (41)
  1. Check for continuity between A/F sensor (Sensor 1) 4P connector terminal No. 4 and under-hood fuse/relay box connector D (20P) terminal No. 9.
Is there continuity?
YES -
Go to Step 16 .
NO -
Repair open in the wire between the A/F sensor (Sensor 1) and the under-hood fuse/relay box, then go to Step 22 .
  1. Disconnect ECM connector A (49P).