DTC Troubleshooting: P0502 (17)
Check for continuity between ECM connector No. 1 terminal No. 4 and body ground.
Is there continuity?
YES
-
Go to
Step 29
.
NO
-
Repair open in the wire between the output shaft (countershaft) speed sensor and ECM connector No. 1 terminal No. 4, then go to
Step 24
.