Lexus ES: Data List / Active Test
DATA LIST / ACTIVE TEST
ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Air Conditioner > Active Test| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Defogger Relay (Rear) | Mirror heater operation | OFF or ON | - |
READ NEXT:
Mirror Heater does not Operate with Rear Defogger Switch
DESCRIPTION When the mirror heater switch (rear window defogger switch) on the air conditioning control assembly is pressed, the operation signal is sent to the air conditioning amplifier assembly via
SEE MORE:
Power Mirrors do not Return to Memorized Position
DESCRIPTION If any of the M1, M2 or M3 seat memory switch is pressed, the outer mirror control ECU assembly (driver door) detects the switch operation and sends the seat memory switch signal to the main body ECU (multiplex network body ECU) via CAN communication. The main body ECU (multiplex network
Inspection
INSPECTION PROCEDURE 1. INSPECT SHIFT LOCK CONTROL ECU HINT: If the results of the following inspections are as specified but a malfunction has occurred, replace the shift lock control unit assembly. (a) Inspect wire harness: (1) Disconnect the shift lock control ECU connector. (2)
