2003 LEXUS LS430 Diagram ac amplifier

[x] Cancel search: Diagram ac amplifier

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 250 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 34: Diagnostic Trouble Code Information Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
*1 If the room temperature is approximately -20°C (-4°F) or lower, DTC B1411/11 may be output

Page 258 of 4500

LEXUS LS430 2003  Factory Repair Manual Temperature Sensor)Thermistor) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT
 )  
CIRCUIT DESCRIPTION 
The sensor connected to the ECM detects

Page 265 of 4500

LEXUS LS430 2003  Factory Repair Manual OK: REPLACE ECM (SEE REPLACEMENT)
CIRCUIT DESCRIPTION 
This sensor detects the evaporator temperature and sends the appropriate signals to the A/C amplifier. It is used 
for frost prevention, temperat

Page 278 of 4500

LEXUS LS430 2003  Factory Repair Manual NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT )  
CIRCUIT DESCRIPTION 
This sensor detects the register temperature and sends the appropriate signa

Page 284 of 4500

LEXUS LS430 2003  Factory Repair Manual NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT )  
CIRCUIT DESCRIPTION 
This sensor detects the exhaust gas (HC, CO) outside the vehicle and sends a

Page 298 of 4500

LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT
 )  
CIRCUIT DESCRIPTION 
The pressure switch sends th

Page 308 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 82: Photodiode Resistance/Solar Radiation Strength Graph
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
DTC DETECTION ITEM TROUBLE AREA 
HINT: 
If DTC B1244 is output at the same time, troubleshoo
Page:   1-8 9-16 17-24 25-32 33-40 ... 56 next >