RX 400h FWD V6-3.3L (3MZ-FE) Hybrid (2006)
a. Check the DTCs.
1. Connect the intelligent tester to the DLC3.
2. Turn the ignition switch to the ON position.
3. Check the DTCs by following the prompts on the tester screen.
HINT: Refer to the intelligent tester operator's manual for further details.
Without Scan Tool
LEXUS does not provide a procedure for Reading Trouble Codes Without Scan Tool.
Symptom Related Diagnostic Procedures
PROBLEM SYMPTOMS TABLE
Problem Symptoms Table
HINT: Proceed to the troubleshooting for each circuit in the given table.
Check Passenger Airbag ON/OFF Indicator
CHECK PASSENGER AIRBAG ON/OFF INDICATOR
a. Turn the ignition switch to the ON position.
b. Check that the passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then goes off for approximately 2
seconds.
HINT: Refer to the table in the previous step regarding the passenger airbag ON/OFF indicator when the ignition switch is turned to the ON
position and approximately 6 seconds pass.
Component Tests
ON-VEHICLE INSPECTION
1. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check