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 engine 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 |
| Deicer Relay (Front) | Windshield deicer wire (windshield glass) | OFF or ON | - |
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DESCRIPTION When the front wiper deicer switch is operated, the operation signal is transmitted to the air conditioning amplifier assembly directly. When the air conditioning amplifier assembly receiv
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following s
SEE MORE:
PARTS LOCATION ILLUSTRATION *1 DEICER RELAY *2 NO. 2 ENGINE ROOM RELAY BLOCK AND NO. 2 ENGINE ROOM JUNCTION BLOCK ASSEMBLY - DEICER FUSE *3 MULTI-DISPLAY ASSEMBLY - FRONT WIPER DEICER SWITCH *4 WINDSHIELD DEICER WIRE (WINDSHIELD GLASS) *5 DLC3 *6 AIR CONDITIONING AMPLIF
DESCRIPTION The electronically controlled brake system receives parking support brake system information from the clearance warning ECU assembly via CAN communication. When it is determined that there is a communication error between the skid control ECU and clearance warning ECU assembly, DTC C164B
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