CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
|
2. | CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer to confirm the problem.
Click here
|
3. | PRE-CHECK |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
4. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs.
Click here
Result | Proceed to |
---|---|
CAN DTCs are not output | A |
CAN DTCs are output | B |
B | ![]() | GO TO CAN COMMUNICATION SYSTEM |
|
5. | CHECK DTC OUTPUT (AIRBAG SYSTEM)* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | ![]() | GO TO AIRBAG SYSTEM |
|
6. | CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM)* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | ![]() | GO TO OCCUPANT CLASSIFICATION SYSTEM |
|
7. | CHECK COMBINATION METER ASSEMBLY |
(a) Check the operation of the speedometer, shift indicator and brake warning light on the combination meter assembly.
OK:
The speedometer, shift indicator and brake warning light on the combination meter assembly operate normally.
NG | ![]() | GO TO METER / GAUGE SYSTEM |
|
8. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
Result | Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table | A |
Fault is listed in Problem Symptoms Table | B |
B | ![]() | GO TO STEP 10 |
|
9. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
(c) On-vehicle Inspection
Click here
|
10. | REPAIR OR REPLACE |
|
11. | CONFIRMATION TEST |
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Using the air conditioning
system and defogger: Rear automatic air
conditioning system (RX450hL)
Air outlets and fan speed are automatically adjusted according to the
temperature
setting.
Control panel
■ Adjusting the temperature setting
Press
to increase the temperature and to
decrease the temperature.
■ Adjusting the fan speed setting
Press
to increase the fan speed and
to ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Intermediate Shaft Speed Sensor "A" Circuit Short to Battery (P079112,P079114,P079131)
DESCRIPTION The transmission revolution sensor (NC) detects the rotation speed of the counter gear which shows the output shaft speed of automatic transaxle assembly. Based on the transmission revolution sensor (NC) signal and the transmission revolution sensor (NT and NC3) signals, the ECM controls ...