Component Testing
WARNING: This page is about a different variant/trim than selected.
- Ignition/Vehicle - Off
- Disconnect the electrical connector: B75C Multifunction Intake Air Sensor
- Install & Setup - EL-38522 Variable Signal Generator
- Voltage - 5 V
- Frequency - 5, 000 Hz
- Duty Cycle - 50%
- Red lead @ Signal circuit terminal 6
- Black lead @ Ground
- Engine at Idle
- Verify the scan tool parameter: MAF Sensor = 4 950 to 5 050 Hz
- If not between 4 950 and 5 050 Hz
Replace the component: K20 Engine Control Module
- Go to next step: If between 4 950 and 5 050 Hz
- If not between 4 950 and 5 050 Hz
- Replace the component: B75C Multifunction Intake Air Sensor
NOTE:
Circuit/System Testing must be performed before proceeding with Component Testing.