3.
Monitor the "SENSOR SUPPLY VOLTAGE" parameter on the scantool.
Specifications : Approx. 5 V
Fig 1) Normal data at the IG "ON"
Connect scantool to Data Link Connector(DLC).
IG ON or Engine ON
Monitor the "SENSOR SUPPLY VOLTAGE" parameter on the scantool.
Specifications : Approx. 5 V
Fig 1) Normal data at the IG "ON"
Is the battery voltage normal?
 | ▶ Fault is intermittent caused by poor connection in ALS ECU's connector or was repaired and ALS ECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. ▶ Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure. |
 | ▶ Go to "Terminal and Connector Inspection" procedure. |
