DTC Troubleshooting: P0135 (41)

  1. Check for continuity between PGM-FI subrelay 4P connector terminal No. 3 and ECM/PCM connector terminal A21.
Is there continuity?
YES -
Go to Step 29 .
NO -
Repair open in the wire between the ECM/PCM (A21) and the PGM-FI subrelay, then go to Step 23 .