DTC Troubleshooting: P1031 (183)
Check for continuity between under-hood fuse/relay box connector J (10P) terminal No. 5 and fuel heater 2P connector terminal No. 2.
Is there continuity?
YES
-
Go to
Step 16
.
NO
-
Repair open in the wire between the under-hood fuse/relay box and the fuel heater, then go to
Step 18
.