Section 162 (Key Unlock Warning System - Diagnosis): Pre-Check

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

DATA LIST
HINT: According to the DATA LIST displayed by the OBD II scan tool or hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.
1. Connect the OBD II scan tool or hand-held tester to the DLC3.
2. Turn the ignition switch ON.
3. According to the display on tester, read the "DATA LIST".
Standard (Body ECU):

Fig 1: Data List Standard (Body ECU) Chart
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ACTIVE TEST
HINT: Performing to the ACTIVE TEST using the OBD II scan tool or hand-held tester allows the relay, VSV, actuator and so on without parts removal. Performing to the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time.
1. Connect the OBD II scan tool or hand-held tester to the DLC3.
2. Turn the ignition switch ON.
3. According to the display on tester, perform the "ACTIVE TEST".
Standard (Body ECU):

Fig 2: Active Test Standard (Body ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002