Temperature sensor LEXUS LS430 2003 Factory Repair Manual

LEXUS LS430 2003 Factory Repair Manual LS430 2003 LEXUS LEXUS https://www.carmanualsonline.info/img/36/57050/w960_57050-0.png LEXUS LS430 2003 Factory Repair Manual

Page 7 of 4500

LEXUS LS430 2003  Factory Repair Manual 1.SYSTEM DESCRIPTION 
HINT: 
The skid control ECU is a single unit with ABS & TRACTION ACTUATOR.  
The skid control ECU also works as a TPMS (Tire Pressure Monitor System) ECU.  
The yaw rate sensor a

Page 210 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 6: Air Conditioning System Diagram (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
1.GENERAL 
a. The air conditioning system has the following features: 
In compliance with the temperature

Page 214 of 4500

LEXUS LS430 2003  Factory Repair Manual The hand-held tester can be used in steps 3, 6, 7 and 11.
1.VEHICLE BROUGHT TO WORK SHOP  
2.(SEE CUSTOMER PROBLEM ANALYSIS CHECK
 ) 
a. Confirm problem symptoms.  
3.CHECK AND CLEAR THE DTCS (SEE DTC

Page 227 of 4500

LEXUS LS430 2003  Factory Repair Manual ROOM TEMP
Room temperature sensor / min.: -
6.5°C (20.3°F) max.: 57.25°C 
(126.95°F)
Actual room temperature is displayed-
AMBI TEMP 
SENSAmbient temperature sensor / 
min.: -23.3°C (-9.94°F) ma

Page 228 of 4500

LEXUS LS430 2003  Factory Repair Manual AIR MIX STEP-
DAir mix servomotor target STEP 
(Driver side) / min.: 257 STEP 
max.: 1571 STEPMAX COOL: Approx. 257 STEP 
MAX HOT: Approx. 1,571 STEP-
AIR MIX STEP-
PAir mix servomotor target STEP 
(P

Page 231 of 4500

LEXUS LS430 2003  Factory Repair Manual IG - GND (A11-9 
- A11-1)LG-R - 
W-BPower source (IG)Ignition switch OFF.0 V
TSDr - GND 
(A11-19 - A11-1)L - W-BSolar sensor signal (Driver 
side)Ignition switch ON. Solar sensor 
subjected to electri

Page 232 of 4500

LEXUS LS430 2003  Factory Repair Manual DS3 - GND 
(A12-8 - A11-1)B-R - W-
BSwing grill STEP motor 
signal
Ignition switch ON. Blower 
motor: Operating Mode selector: 
BI-LEVEL Intelligent swing 
register: ON
Pulse 
generation
DS4 - GND 
(A

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LEXUS LS430 2003  Factory Repair Manual 12)side)switch ON.
DrDN - DrGND 
(A12-21 - A12-
11)P-L - LG-
RTemperature control 
switch signal (Driver side)Push driver temperature switch 
OFF.10 to 14 V
DrDN - DrGND 
(A12-21 - A12-
11)P-L - LG-
R

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LEXUS LS430 2003  Factory Repair Manual AOPa2 - GND 
(A36-6 - A11-1)P-B - W-
BAir outlet servomotor 
operation signal 
(Passenger side)During actuator check mode. 
Change display code 0 to display 
code 9.Pulse 
generation
AOPa3 - GND 
(A36

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LEXUS LS430 2003  Factory Repair Manual HINT: 
The followings are the possible items to be customized. 
AIR CONDITIONER  
AIR CONDITIONER CUSTOMIZE PARAMETERS 
SMOK - Body 
ground (L14-16 
- Body ground)L - Body 
groundSmoke sensor 
operati
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