CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
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2. | CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here
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3. | CHECK 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.
HINT:
A simple method to determine whether the battery is depleted is to operate the horn.
|
4. | CHECK DTC* |
(a) Check for DTCs and make a note of any codes that are output.
Click here
HINT:
When DTCs indicating CAN and/or LIN communication system malfunctions are output, repair the CAN and/or LIN communication systems before performing diagnosis.
for CAN communication system: Click here
for LIN communication system: Click here
Result | Proceed to |
---|---|
DTCs are not output. (Problem symptom cannot be confirmed or reproduced.) | A |
DTCs are not output. (Problem symptom can be confirmed or reproduced.) | B |
Steering lock system DTCs are output. | C |
HINT:
Click here
B | ![]() | GO TO STEP 6 |
C | ![]() | GO TO STEP 8 |
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5. | SYMPTOM SIMULATION |
(a) Proceed to How to Proceed with Troubleshooting.
Click here
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6. | PROBLEM SYMPTOMS TABLE |
(a) Proceed 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 8 |
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7. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Proceed to Data List / Active Test.
Click here
(b) Proceed to Terminals of ECU.
Click here
NEXT | ![]() | GO TO STEP 9 |
8. | CIRCUIT INSPECTION* |
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9. | REPAIR OR REPLACE |
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10. | CHECK DTC AGAIN* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs and make a note of any codes that are output.
Click here
HINT:
Perform the DTC output confirmation operation.
Result | Proceed to |
---|---|
DTCs are not output. | A |
Steering lock system DTCs are output. | B |
A | ![]() | END |
B | ![]() | GO TO DIAGNOSTIC TROUBLE CODE CHART |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Radar Cruise Control System: Brake System (P157800)
DESCRIPTION When a malfunction in the vehicle stability control system is detected, DTC P157800 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from P157800 Brake System When the engine switch is on (IG) and the dynamic radar cruise control ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle Unit: Components
COMPONENTS ILLUSTRATION *1 TRANSMISSION CONTROL SHAFT LEVER *2 PARK/NEUTRAL POSITION SWITCH ASSEMBLY *3 LOCK NUT *4 LOCK PLATE *5 TRANSMISSION CASE PLUG ASSEMBLY *6 NO. 1 BREATHER PLUG (ATM) *7 TRANSMISSION BREATHER CLAMP *8 BREATHER PLUG HOSE *9 BREATHE ...