Pilot 4WD V6-3.5L (2008)
15. Disconnect PCM connector A (44P), then disconnect the HDS.
16. Check for continuity between PCM connector terminal A31 and body ground.
Is there continuity?
YES - Repair short in the wire between the PCM (A31) and the DLC.
NO - Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away
with a known-good PCM, replace the original PCM.
17. Try to start the engine.
Does the engine start and idle smoothly?
YES - Go to step 18.
NO - Go to step 22.
18. Turn the ignition switch OFF.
19. Connect the HDS.
20. Turn the ignition switch ON (II), and read the HDS.
Does the HDS communicate with the PCM?
YES - Go to step 21.
NO - Go to "DLC Circuit Troubleshooting".
21. Check for Temporary DTCs or DTCs with the HDS.
Is DTC U0073 and/or U0155 indicated?
YES - Go to the indicated DTC troubleshooting.
NO - Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away
with a known-good PCM, replace the original PCM.
22. Turn the ignition switch OFF.
23. Inspect the No. 42 IG1 MAIN (50 A) fuse in the under-hood fuse/relay box.
Is the fuse OK?
YES - Repair open in the wire between the No. 42 IG1 MAIN (50 A) fuse and the ignition switch. If the wire is OK, go to step 24.
NO - Repair short in the wire between No. 42 IG1 MAIN (50 A) fuse and the ignition switch. Also replace the No. 42 IG1 MAIN (50 A) fuse.
24. Inspect the No. 46 ACGS (15 A) fuse in the under-hood fuse/relay box.
Is the fuse OK?
YES - Go to step 31.
NO - Go to step 25.