DR-22 Throttle Body Minimum Air Flow
Complete Driveability Test 21, Step A before proceeding.
This test must be performed with engine warm.
1. With engine at normal operating temperature, connect diagnostic read-out tool to engine harness connector.
2. Start engine and run until operating temperature is reached, then enter system into Engine Running Test Mode 70.
3. If display indicates 650---900 RPM, proceed to Test 23.
4. If display does not indicate 650---900 RPM, replace throttle body assembly.