Scantool Diagnostics

Automatic Transaxle

P0642 Sensor Reference Voltage 'A' Circuit Low - Scantool Diagnostics

Monitor Scantool Data

1. Connect scantool to Diagnostic Connector.
2. Ignition "ON" & Engine "OFF".
3. Confirm the "Battery Voltage, Ignition Key Status, Main Relay Voltage, parameter on the scan tool.




Fig 1) Main relay and Battery voltage (Idle status)
4. Is "Battery Voltage" output value within normal range?