DTC Troubleshooting: P1659 (40)
Check for continuity between ETCS control relay 4P connector terminal No. 3 and ECM/PCM connector terminal A20.
Is there continuity?
YES
-
Go to
Step 28
.
NO
-
Repair open in the wire between the ECM/PCM (A20) and the ETCS control relay, then go to
Step 23
.