CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
|
2. | CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here
|
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 |
|
5. | SYMPTOM SIMULATION |
(a) Proceed to How to Proceed with Troubleshooting.
Click here
|
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 |
|
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* |
|
9. | REPAIR OR REPLACE |
|
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 > Trip Switch: Components
COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD LH *2 FRONT DOOR SCUFF PLATE LH *3 HOOD LOCK CONTROL LEVER SUB-ASSEMBLY *4 INSTRUMENT CLUSTER FINISH PANEL ORNAMENT *5 INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY *6 INSTRUMENT PANEL GARNISH LH *7 LOWER INSTRUMENT F ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Road Sign Assist System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the road sign assist system, make sure that the pre-collision system and lane control system are not malfunctioning.
Pre-collision system: Click here Lane control system: Click here
Perform the following procedure to troubl ...