Lighting (Diagnostic Codes & Symptom Tests): Other Lexus LX J200

PROCEDURE

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . OK DTC B2414 output does not occur. NG --> See step 2 OK --> See step 4
2. REPLACE STEERING ANGLE SENSOR Temporarily replace the steering angle sensor with a new or normally functioning one. Refer to «REMOVAL - Step 10»(ref-385238-S27330679362011021400000) . NEXT: Go to next step
3. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . Recheck for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . OK DTC B2414 output does not reoccur. NG --> See step 5 OK --> END (STEERING ANGLE SENSOR IS DEFECTIVE)
4. USE SIMULATION METHOD TO CHECK. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-385196-S04310778802011021400000)
5. REPLACE AFS ECU. Refer to «REMOVAL»(ref-385213-S38623754092011021400000)

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . OK DTC B2415 output does not occur. NG --> See step 2 OK --> See step 3
2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM) Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385226-S17305943052011021400000) . OK DTC "C0200/31 Front Speed Sensor RH Circuit", "C0205/32 Front Speed Sensor LH Circuit", "C1235/35 Foreign Object is Attached on Top of Front Speed Sensor RH", and "C1236/36 Foreign Object is Attached on Top of Front Speed Sensor LH" output does not occur. NG --> See step 4 OK --> See step 5
3. USE SIMULATION METHOD TO CHECK. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-385196-S04310778802011021400000)
4. GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-385226-S23998773362011021400000)
5. REPLACE AFS ECU. Refer to «REMOVAL»(ref-385213-S38623754092011021400000)

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . OK DTC B2420 output does not occur. NG --> See step 2 OK --> See step 3
2. REPLACE AFS ECU. Refer to «REMOVAL»(ref-385213-S38623754092011021400000)
3. USE SIMULATION METHOD TO CHECK. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-385196-S04310778802011021400000)

1. CHECK AFS ECU Check if the AFS ECU is properly installed. NG --> See step 3 OK --> See step 2
2. USE SIMULATION METHOD TO CHECK. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-385196-S04310778802011021400000)
3. REPLACE AFS ECU. Refer to «REMOVAL - Step 4»(ref-385213-S06482861592011021400000)

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . OK DTC B2427 output does not occur. NG --> See step 3 OK --> See step 2
2. USE SIMULATION METHOD TO CHECK. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-385196-S04310778802011021400000)
3. GO TO CAN COMMUNICATION SYSTEM. Refer to «DIAGNOSIS SYSTEM»(ref-385222-S33412669092011021400000)

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . OK DTC B2429 output does not occur. NG --> See step 2 OK --> See step 3
2. CHECK AFS ECU (OPERATION) Temporarily replace the AFS ECU with a new or normally functioning one. Refer to «REMOVAL»(ref-385213-S38623754092011021400000) . Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-385273-S15769584382011021400000) . OK DTC B2429 output does not occur. NG --> See step 4 OK --> See step 5
3. USE SIMULATION METHOD TO CHECK. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-385196-S04310778802011021400000)
4. GO TO VARIABLE GEAR RATIO STEERING SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE»(ref-385244-S42082159142011021400000)
5. END (REPLACE AFS ECU). Refer to «REMOVAL»(ref-385213-S38623754092011021400000)

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1. CONFIRM LIGHT POSITION Check the malfunctioning personal light. RESULT Result Proceed to Rear personal light A Front personal light B B --> See step 5 A: Go to next step
2. CHECK HARNESS AND CONNECTOR (MAP LIGHT - BATTERY) Disconnect the R7 light connector. Measure the voltage to the according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition R7-27 (+B3) - Body ground Always 11 to 14 V NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
3. INSPECT NO. 1 ROOM LIGHT Remove the No. 1 room light connector. Refer to «ON-VEHICLE INSPECTION»(ref-385288-S40845887622011021400000) . Apply battery voltage to the connector, and check the illumination condition. OK Measurement Condition Specified Condition Battery positive (+) --> Terminal 1 (MPR) Battery negative (-) --> Terminal 9 (E) Illuminates Battery positive (+) --> Terminal 3 (MPL) Battery negative (-) --> Terminal 9 (E) Illuminates Result Proceed to OK A NG (w/ Rear Seat Entertainment System) B NG (w/o Rear Seat Entertainment System) C C --> See step 7 B --> See step 6 A: Go to next step
4. CHECK HARNESS AND CONNECTOR (MAP LIGHT - NO. 1 ROOM LIGHT) Disconnect the R7, R12 and R10 light connectors. Measure the resistance to the according value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition R7-15 (RGND) - R10-9 (E) Always Below 1 ohms R7-3 (RLSW) - R10-2 (SWL) R7-4 (RRSW) - R10-6 (SWR) R12-7 (RLMP) - R10-3 (MPL) R12-8 (RRMP) - R10-1 (MPR) R7-15 (RGND) - Body ground Always 10 kohms or higher R7-3 (RLSW) - Body ground R7-4 (RRSW) - Body ground R12-7 (RLMP) - Body ground R12-8 (RRMP) - Body ground NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 5
5. REPLACE MAP LIGHT. Refer to «REMOVAL»(ref-385288-S17507727852011021400000)
6. REPLACE NO. 1 ROOM LIGHT. Refer to «REMOVAL - Step 4»(ref-385288-S03070643762011021400000)
7. REPLACE NO. 1 ROOM LIGHT. Refer to «REMOVAL - Step 34»(ref-385215-S31941166542011021400000)

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1. READ VALUE USING TECHSTREAM (DOOR COURTESY SWITCH) Using the Techstream, read the Data List. MAIN BODY Tester Display Test Part Control Range Diagnostic Note D Door Courtesy SW Front door courtesy light switch LH signal/ON or OFF ON: Front Door LH opened OFF: Front Door LH closed - P Door Courtesy SW Front door courtesy light switch RH signal/ON or OFF ON: Front Door RH opened OFF: Front Door RH closed - RL Door Courtesy SW Rear door courtesy light switch LH signal/ON or OFF ON: Rear Door LH opened OFF: Rear Door LH closed - RR Door Courtesy SW Rear door courtesy light switch RH signal/ON or OFF ON: Rear Door RH opened OFF: Rear Door RH closed - OK On the Techstream screen, each item changes between ON and OFF according to above chart. RESULT Result Proceed to OK A NG (D Door Courtesy SW) B NG (P Door Courtesy SW) C NG (RL Door Courtesy SW) D NG (RR Door Courtesy SW) E E --> See step 22 D --> See step 20 C --> See step 18 B --> See step 16 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (FRONT INTERIOR FOOT LIGHT) Using the Techstream, perform the Active Test. MAIN BODY Tester Display Test Part Control Range Diagnostic Note Step Light Operation Front interior foot light illumination operation OFF/ON - OK Front interior foot light condition can be switched by Active Test. NG --> See step 3 OK --> REPLACE MAIN BODY ECU
3. CONFIRM LIGHT POSITION Check the malfunctioning interior foot light. RESULT Result Proceed to Front interior foot light LH A Front interior foot light RH B Rear interior foot light LH C Rear interior foot light RH D All does not light illuminate E E --> REPLACE MAIN BODY ECU D --> See step 13 C --> See step 10 B --> See step 7 A: Go to next step
4. CHECK HARNESS AND CONNECTOR (FRONT INTERIOR FOOT LIGHT LH - BATTERY) Disconnect the E81 light connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition E81-2 - Body ground Always 11 to 14 V NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
5. INSPECT NO. 1 INTERIOR ILLUMINATION LIGHT LH (FRONT INTERIOR FOOT LIGHT LH) Remove the front interior foot light LH. Refer to «INSPECTION - Step 1»(ref-385288-S02277041312011021400000) . Apply battery voltage to the front interior foot light and check the light condition. OK Measurement Condition Specified Condition Battery positive (+) --> Terminal 2 Battery negative (-) --> Terminal 1 Interior illumination light comes on NG --> See step 24 OK: Go to next step
6. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT INTERIOR FOOT LIGHT LH) Disconnect the E3 ECU connector. Disconnect the E81 light connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition E3-11 (FSPT) - E81-1 Always Below 1 ohms E81-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
7. CHECK HARNESS AND CONNECTOR (FRONT INTERIOR FOOT LIGHT RH - BATTERY) Disconnect the E88 light connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition E88-2 - Body ground Always 11 to 14 V NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
8. INSPECT NO. 1 INTERIOR ILLUMINATION LIGHT RH (FRONT INTERIOR FOOT RH) Remove the front interior foot light RH. Refer to «INSPECTION»(ref-385288-S39963377932011021400000) . Apply battery voltage to the front interior foot light and check the light condition. OK Measurement Condition Specified Condition Battery positive (+) --> Terminal 2 Battery negative (-) --> Terminal 1 Interior illumination light comes on NG --> See step 25 OK: Go to next step
9. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT INTERIOR FOOT LIGHT RH) Disconnect the E3 ECU connector. Disconnect the E88 light connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition E3-11 (FSPT) - E88-1 Always Below 1 ohms E88-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
10. CHECK HARNESS AND CONNECTOR (REAR INTERIOR FOOT LIGHT LH - BATTERY) Disconnect the C32 light connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition C32-2 - Body ground Always 11 to 14 V NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
11. INSPECT INTERIOR ILLUMINATION LIGHT LH (REAR INTERIOR FOOT LIGHT LH) Remove the rear interior foot light LH. Refer to «INSPECTION - Step 1»(ref-385288-S02277041312011021400000) . Apply battery voltage to the rear interior foot light and check the light condition. OK Measurement Condition Specified Condition Battery positive (+) --> Terminal 2 Battery negative (-) --> Terminal 1 Interior illumination light comes on NG --> See step 26 OK: Go to next step
12. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR INTERIOR ILLUMINATION LIGHT LH) Disconnect the E3 ECU connector. Disconnect the C32 light connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition E3-11 (FSPT) - C32-1 Always Below 1 ohms C32-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
13. CHECK HARNESS AND CONNECTOR (REAR INTERIOR FOOT LIGHT RH - BATTERY) Remove the C44 ECU connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition C44-2 - Body ground Always 11 to 14 V NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
14. INSPECT INTERIOR ILLUMINATION LIGHT RH (REAR INTERIOR FOOT LIGHT RH) Remove the rear interior foot light RH. Refer to «INSPECTION - Step 1»(ref-385288-S07905130112011021400000) . Apply battery voltage to the rear interior foot light and check the light condition. OK Measurement Condition Specified Condition Battery positive (+) --> Terminal 2 Battery negative (-) --> Terminal 1 Interior illumination light comes on NG --> See step 27 OK: Go to next step
15. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR INTERIOR FOOT LIGHT RH) Disconnect the E3 ECU connector. Disconnect the C44 light connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition E3-11 (FSPT) - C44-1 Always Below 1 ohms C44-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
16. INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH Remove the front door courtesy light switch LH. Refer to «INSPECTION - Step 1»(ref-385288-S34453495872011021400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - Body ground Not pushed Below 1 ohms pushed 10 kohms or higher NG --> See step 28 OK: Go to next step
17. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND) Disconnect the K2 switch connector. Disconnect the E1 ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition K2-1 - E1-24 (DCTY) Always Below 1 ohms K2-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
18. INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH Remove the front door courtesy light switch RH. Refer to «INSPECTION - Step 1»(ref-385288-S34453495872011021400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - Body ground Not pushed Below 1 ohms pushed 10 kohms or higher NG --> See step 29 OK: Go to next step
19. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND) Disconnect the L1 switch connector. Disconnect the E2 ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L1-1 - E2-21 (PCTY) Always Below 1 ohms L1-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
20. INSPECT REAR DOOR COURTESY LIGHT SWITCH LH Remove the rear door courtesy light switch LH. Refer to «INSPECTION - Step 1»(ref-385288-S07785626132011021400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - Body ground Not pushed Below 1 ohms pushed 10 kohms or higher NG --> See step 30 OK: Go to next step
21. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND) Disconnect the K3 switch connector. Disconnect the 2C ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition K3-1 - 2C-2 (LCTY) Always Below 1 ohms K3-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
22. INSPECT REAR DOOR COURTESY LIGHT SWITCH RH Remove the rear door courtesy light switch RH. Refer to «INSPECTION - Step 1»(ref-385288-S07785626132011021400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - Body ground Not pushed Below 1 ohms pushed 10 kohms or higher NG --> See step 31 OK: Go to next step
23. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND) Disconnect the L2 switch connector. Disconnect the E2 ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L2-1 - E2-7 (RCTY) Always Below 1 ohms L2-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE MAIN BODY ECU
24. REPLACE NO. 1 INTERIOR ILLUMINATION LIGHT LH (FRONT INTERIOR FOOT LIGHT LH). Refer to «REMOVAL»(ref-385288-S41767813502011021400000)
25. REPLACE NO. 1 INTERIOR ILLUMINATION LIGHT RH (FRONT INTERIOR FOOT LIGHT RH). Refer to «REMOVAL»(ref-385288-S30294335322011021400000)
26. REPLACE INTERIOR ILLUMINATION LIGHT LH (REAR INTERIOR FOOT LIGHT LH). Refer to «REMOVAL»(ref-385288-S38915843442011021400000)
27. REPLACE INTERIOR ILLUMINATION LIGHT RH (REAR INTERIOR FOOT LIGHT RH). Refer to «REMOVAL»(ref-385288-S38915843442011021400000)
28. REPLACE FRONT DOOR COURTESY LIGHT SWITCH LH. Refer to «REMOVAL - Step 1»(ref-385288-S32839944302011021400000)
29. REPLACE FRONT DOOR COURTESY LIGHT SWITCH RH. Refer to «REMOVAL - Step 1»(ref-385288-S32839944302011021400000)
30. REPLACE REAR DOOR COURTESY LIGHT SWITCH LH. Refer to «REMOVAL - Step 1»(ref-385288-S26555981772011021400000)
31. REPLACE REAR DOOR COURTESY LIGHT SWITCH RH. Refer to «REMOVAL - Step 1»(ref-385288-S26555981772011021400000)

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