DTC Confirmation Test Malfunction "B" (Using Generic Scan Tool)
- Start engine and warm to normal operating temperature. Maintain following conditions for 10 consecutive seconds:
- A/T in drive position or M/T in appropriate gear to drive vehicle uphill maintaining increased engine load for specified time period.
- Engine speed of 2000 RPM or more.
- Engine coolant temperature 158°F (70°C) or more.
- Voltage between ground and ECM terminal No. 91 more than 3.2 volts.
- On scan tool, select MODE 7. If DTC is detected, go to DIAGNOSTIC PROCEDURE .