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Lighting System (Interior) (Diagnostics & Circuit Tests): Other Lexus GS IV

Interior/illumination Lights ~5515 words

CUSTOMIZE PARAMETERS [03/2012 - ]

  1. CUSTOMIZE LIGHTING SYSTEM (INT) HINT: The following items can be customized. NOTE: When the customer requests a change in a function, first make sure that the function can be customized. Record the current settings before customizing. Customizing with the Techstream. Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Utility / Customize / (desired system). Select the setting by referring to the table below. ILLUMINATED ENTRY Display Default Content Setting Relevant ECU Lighting Time 15 s Changes the lighting time after closing all of the doors [It will fade out immediately when turning the power switch from off to on (ACC) or on (IG)]. 7.5 s, 15 s or 30 s Main body ECU (Multiplex network body ECU) I/L when ACC OFF ON A function that turns on the interior lights when the power switch is turned from on (IG) or on (ACC) to off (the interior lights turn on when the map light switch is set to DOOR). ON or OFF I/L ON W/Door Key Unlock ON A function that turns on the interior lights when the door is unlocked (the interior lights turn on when the map light switch is set to DOOR). ON or OFF Room Light when Aprchd ON A function that turns on the room lights when the key is brought within the vehicle exterior detection area (the room lights turns on when the map light switch is set to DOOR). ON or OFF Inside Foot Light ON Changes the interior foot lights control. ON or OFF Mirr-Foot-Lgt Approached ON Lights up the door mirror foot lights when the key is brought within the vehicle exterior detection area. ON or OFF Mirr-Foot-Lgt Unlocked ON Lights up the door mirror foot lights when the doors are unlocked using a mechanical key or door control transmitter. ON or OFF Mirror Foot Light Time 15 s Changes the lighting time of the door mirror foot lights. 7.5 s, 15 s or 30 s Light Control ON This function controls the interior foot lights, inside handle illumination and door ambient light. ON or OFF Interior Light Control ON This function controls the interior lights. ON or OFF Exterior Light Control ON This function controls the door mirror foot lights. ON or OFF LIGHT CONTROL Display Default Content Setting Relevant ECU Light up Clearance Lights at Door Unlock Function ON A function that turns on the clearance lights, taillights, side marker lights and license plate lights for 15 seconds when the doors are unlocked by an entry unlock operation or wireless unlock operation. ON or OFF Main body ECU (Multiplex network body ECU) Customizing with Multi-display. Turn the power switch on (IG). Enter the following menus: Setup / Vehicle / Vehicle Settings / Vehicle Customization / Light Settings. Select the setting by referring to the table below. Display Default Content Setting Relevant ECU Interior Lights Off Time 15 s This function controls the interior lights. OFF, 7.5 s, 15 s or 30 s Main body ECU (Multiplex network body ECU) Exterior Lights Off Time 15 s This function controls the door mirror foot lights. OFF, 7.5 s, 15 s or 30 s

PROCEDURE

  1. READ VALUE USING TECHSTREAM (IG SW) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note IG SW Power switch on (IG) signal / ON or OFF ON: Power switch on (IG) OFF: Power switch off "OFF" is also displayed for this item when the power switch is on (ACC). OK The display is as specified in the normal condition column. NG --> See step 2 OK --> See step 4
  2. CHECK HARNESS AND CONNECTOR (COWL SIDE JUNCTION BLOCK LH - BATTERY AND BODY GROUND) Disconnect the cowl side junction block LH connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 5E-1 - Body ground Always 11 to 14 V 5A-35 - Body ground Power switch on (IG) 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 5B-1 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Cowl Side Junction Block LH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK COWL SIDE JUNCTION BLOCK LH Remove the cowl side junction block LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000) . Reconnect the 5A, 5B and 5E cowl side junction block LH connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition A-32 (IG) - Body ground Power switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *a Component without harness connected (Cowl Side Junction Block LH) NG --> See step 6 OK --> See step 5
  4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  5. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  6. REPLACE COWL SIDE JUNCTION BLOCK LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  1. READ VALUE USING TECHSTREAM (ACC SW) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note ACC SW Power switch on (ACC) signal / ON or OFF ON: Power switch on (ACC) OFF: Power switch off "ON" is also displayed for this item when the power switch is on (IG). OK The display is as specified in the normal condition column. NG --> See step 2 OK --> See step 6
  2. CHECK HARNESS AND CONNECTOR (COWL SIDE JUNCTION BLOCK RH - BATTERY AND BODY GROUND) Disconnect the cowl side junction block RH connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 4E-1 - Body ground Always 11 to 14 V 4A-19 - Body ground Power switch on (ACC) 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 4A-4 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Cowl Side Junction Block RH) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. INSPECT COWL SIDE JUNCTION BLOCK RH (RH ACC RELAY) Remove the cowl side junction block RH. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 4E-1 - 4A-45 Battery voltage not applied between terminals 4A-19 and 4A-4 10 kohms or higher Battery voltage applied between terminals 4A-19 and 4A-4 Below 1 ohms NG --> REPLACE COWL SIDE JUNCTION BLOCK RH OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (COWL SIDE JUNCTION BLOCK RH - COWL SIDE JUNCTION BLOCK LH) Disconnect the 4A cowl side junction block RH connector. Disconnect the 5B cowl side junction block LH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 4A-45 - 5B-19 Always Below 1 ohms 4A-45 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. INSPECT COWL SIDE JUNCTION BLOCK LH Remove the cowl side junction block LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000) . Remove the main body ECU from the cowl side junction block LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 5B-19 - A-29 (ACC) Always Below 1 ohms NG --> See step 8 OK --> See step 7
  6. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  8. REPLACE COWL SIDE JUNCTION BLOCK LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM (COURTESY LIGHT) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . FRONT LEFT DOOR Tester Display Test Part Control Range Diagnostic Note Courtesy Light Front door courtesy light LH ON/OFF - FRONT RIGHT DOOR Tester Display Test Part Control Range Diagnostic Note Courtesy Light Front door courtesy light RH ON/OFF - OK Front courtesy light comes on. RESULT Result Proceed to OK A NG (Front courtesy light RH does not illuminates) B NG (Front courtesy light LH does not illuminates) C B --> See step 2 C --> See step 3 A --> See step 6
  2. CHECK HARNESS AND CONNECTOR (FRONT COURTESY LIGHT RH - FRONT MULTIPLEX NETWORK DOOR ECU RH AND BATTERY) Disconnect the Q4 front multiplex network door ECU RH. Disconnect the Q15 front courtesy light RH connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Q15-1 - Body ground Battery saving control not operating 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q15-2 - Q4-13 (CYL) Always Below 1 ohms Q15-2 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 4
  3. CHECK HARNESS AND CONNECTOR (FRONT COURTESY LIGHT LH - FRONT MULTIPLEX NETWORK DOOR ECU LH AND BATTERY) Disconnect the Q19 front multiplex network door ECU LH connector. Disconnect the Q30 front courtesy light LH connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Q30-1 - Body ground Battery saving control not operating 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q30-2 - Q19-13 (CYL) Always Below 1 ohms Q30-2 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 5
  4. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000)
  5. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000)
  6. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM (DOME CUT RELAY) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . MAIN BODY Tester Display Test Part Control Range Diagnostic Note Relay for Interior Light Auto Cut Function DOME CUT relay ON/OFF - OK Battery saving control operates. HINT: Confirm the operation when the interior lights are illuminated. NG --> See step 2 OK --> See step 5
  2. CHECK HARNESS AND CONNECTOR (COWL SIDE JUNCTION BLOCK LH - MAIN BODY ECU AND BATTERY) Disconnect the 5D and 5B cowl side junction block LH connectors. Disconnect the N11 main body ECU connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 5D-2 - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 5B-16 - N11-2 (DOMR) Always Below 1 ohms 5B-16 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. INSPECT COWL SIDE JUNCTION BLOCK LH Remove the cowl side junction block LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 5D-2 - 5A-8 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher 5D-2 - 5C-39 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher 5D-2 - 5A-4 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher 5D-2 - 5A-22 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher 5D-2 - 5C-38 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher 5D-2 - 5C-42 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher 5D-2 - 5A-30 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher 5D-2 - 5A-9 Battery voltage applied between terminals 5D-2 and 5B-16 Below 1 ohms Battery voltage not applied between terminals 5D-2 and 5B-16 10 kohms or higher NG --> See step 6 OK --> See step 4
  4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  5. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  6. REPLACE COWL SIDE JUNCTION BLOCK LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM (INTERIOR PANEL RELAY) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . MAIN BODY Tester Display Test Part Control Range Diagnostic Note Interior Panel Relay Interior panel relay ON/OFF - OK Instrument panel illumination lights come on. NG --> See step 2 OK --> See step 5
  2. CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - BATTERY AND BODY GROUND) Disconnect the No. 2 integration relay connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 1G-1 (ALT) - Body ground Always 11 to 14 V 1B-7 (BATT) - Body ground 1B-8 (IG1A) - Body ground Power switch on (IG) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1B-10 (GNDB) - Body ground Always Below 1 ohms 1A-22 (GNDA) - Body ground TEXT IN ILLUSTRATION *a Front view of wire harness connector (to No. 2 Integration Relay) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - MAIN BODY ECU) Disconnect the 1A No. 2 integration relay connector. Disconnect the N11 main body ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1A-14 (PNLS) - N11-5 (PANL) Always Below 1 ohms 1A-14 (PNLS) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 4
  4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  5. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM (POWER SWITCH) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . SMART ACCESS Tester Display Test Part Control Range Diagnostic Note Power/Engine SW Light Power switch illumination ON/OFF - OK Power switch illumination illuminates. NG --> See step 2 OK --> See step 5
  2. INSPECT POWER SWITCH Remove the power switch. Refer to «REMOVAL [03/2012 - ]»(ref-600616-S19306241022014022400000) . Inspect the power switch. Refer to «INSPECTION [03/2012 - ]»(ref-600616-S09201048582014022400000) . NG --> See step 4 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (POWER SWITCH - CERTIFICATION ECU [SMART KEY ECU]) Disconnect the N43 power switch connector. Disconnect the N94 and N95 certification ECU connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition N43-9 (SWIL) - N95-6 (SWIL) Always Below 1 ohms N43-6 (AGND) - N94-6 (AGND) N43-9 (SWIL) - Body ground Always 10 kohms or higher N43-6 (AGND) - Body ground NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 6
  4. REPLACE POWER SWITCH. Refer to «REMOVAL [03/2012 - ]»(ref-600616-S19306241022014022400000)
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  6. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL [03/2012 - ]»(ref-600642-S00554550882014022400000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM (DOOR MIRROR FOOT LIGHT) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . FRONT LEFT DOOR Tester Display Test Part Control Range Diagnostic Note Foot Light Door mirror foot light LH ON/OFF - FRONT RIGHT DOOR Tester Display Test Part Control Range Diagnostic Note Foot Light Door mirror foot light RH ON/OFF - OK Door mirror foot light illuminates. RESULT Result Proceed to OK A NG (Outer rear view mirror RH [door mirror foot light] does not illuminate) B NG (Outer rear view mirror LH [door mirror foot light] does not illuminate) C B --> See step 2 C --> See step 3 A --> See step 5
  2. INSPECT OUTER REAR VIEW MIRROR RH Remove the outer rear view mirror RH (door mirror foot light). Refer to «REMOVAL [03/2012 - ]»(ref-600667-S11537318002014022400000) . Connect a positive (+) lead from the battery to terminal 2 (MLP) and a negative (-) lead to terminal 12 (-). Check that the door mirror foot light illuminates. OK Door mirror foot light illuminates. NG --> See step 7 OK --> See step 8
  3. INSPECT OUTER REAR VIEW MIRROR LH Remove the outer rear view mirror LH (door mirror foot light). Refer to «REMOVAL [03/2012 - ]»(ref-600667-S11537318002014022400000) . Connect a positive (+) lead from the battery to terminal 2 (MLP) and a negative (-) lead to terminal 12 (-). Check that the door mirror foot light illuminates. OK Door mirror foot light illuminates. NG --> See step 4 OK --> See step 6
  4. REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600667-S29771433882014022400000)
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  6. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000)
  7. REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600667-S29771433882014022400000)
  8. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000)
  1. CHECK OPERATION Check the operation of each light. RESULT Result Proceed to Front door illumination does not illuminates A Rear door illumination and interior foot light do not illuminates B B --> See step 7 A: Go to next step
  2. PERFORM ACTIVE TEST USING TECHSTREAM (ILLUMINATION LIGHT) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . FRONT LEFT DOOR Tester Display Test Part Control Range Diagnostic Note Inside Handle Light Front door inside handle illumination light LH ON/OFF - Interior Illumination Light Front door ambient light LH ON/OFF - FRONT RIGHT DOOR Tester Display Test Part Control Range Diagnostic Note Inside Handle Light Front door inside handle illumination light RH ON/OFF - Interior Illumination Light Front door ambient light RH ON/OFF - OK Front door inside handle illumination light and front door ambient light illuminates. RESULT Result Proceed to OK A NG (front door inside handle illumination light does not illuminates) B NG (No. 1 interior illumination light [front door ambient light] does not illuminates) C B --> See step 3 C --> See step 5 A --> See step 9
  3. INSPECT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY Remove the front door inside handle illumination light. Refer to «REMOVAL [03/2012 - ]»(ref-600610-S00048344652014022400000) . Inspect the front door inside handle illumination light. Refer to «INSPECTION [03/2012 - ]»(ref-600610-S36862613622014022400000) . NG --> See step 10 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU - FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT) for LH: Disconnect the Q19 front multiplex network door ECU LH connector. Disconnect the Q27 front door inside handle illumination light LH connector. for RH: Disconnect the Q4 front multiplex network door ECU RH connector. Disconnect the Q12 front door inside handle illumination light RH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance for LH for RH Tester Connection Condition Specified Condition Q19-11 (LED-) - Q27-1 (-) Always Below 1 ohms Q19-10 (LED+) - Q27-2 (+) Always Below 1 ohms Q19-11 (LED-) - Body ground Always 10 kohms or higher Q19-10 (LED+) - Body ground Always 10 kohms or higher Tester Connection Condition Specified Condition Q4-11 (LED-) - Q12-1 (-) Always Below 1 ohms Q4-10 (LED+) - Q12-2 (+) Always Below 1 ohms Q4-11 (LED-) - Body ground Always 10 kohms or higher Q4-10 (LED+) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 11
  5. INSPECT NO. 1 INTERIOR ILLUMINATION LIGHT (FRONT DOOR AMBIENT LIGHT) Remove the No. 1 interior illumination light (front door ambient light). Refer to «REMOVAL [03/2012 - ]»(ref-600610-S00048344652014022400000) . Inspect the No. 1 interior illumination light (front door ambient light). Refer to «INSPECTION [03/2012 - ]»(ref-600610-S36862613622014022400000) . NG --> See step 12 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU - NO. 1 INTERIOR ILLUMINATION LIGHT [FRONT DOOR AMBIENT LIGHT]) for LH: Disconnect the Q18 and Q19 front multiplex network door ECU LH connectors. Disconnect the Q29 No. 1 interior illumination light LH (front door ambient light) connector. for RH: Disconnect the Q3 and Q4 front multiplex network door ECU RH connectors. Disconnect the Q14 No. 1 interior illumination light RH (front door ambient light) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance for LH for RH Tester Connection Condition Specified Condition Q18-21 (IL1-) - Q29-2 (-) Always Below 1 ohms Q19-12 (IL1+) - Q29-1 (+) Always Below 1 ohms Q18-21 (IL1-) - Body ground Always 10 kohms or higher Q19-12 (IL1+) - Body ground Always 10 kohms or higher Tester Connection Condition Specified Condition Q3-21 (IL1-) - Q14-2 (-) Always Below 1 ohms Q4-12 (IL1+) - Q14-1 (+) Always Below 1 ohms Q3-21 (IL1-) - Body ground Always 10 kohms or higher Q4-12 (IL1+) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 11
  7. PERFORM ACTIVE TEST USING TECHSTREAM (ILLUMINATION LIGHT) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . MAIN BODY Tester Display Test Part Control Range Diagnostic Note Fr Foot Light Rear door inside handle illumination light, rear door ambient light, rear interior foot light and front interior foot light ON/OFF - OK Rear door inside handle illumination light, rear door ambient light, rear interior foot light and front interior foot light illuminates. NG --> See step 8 OK --> See step 9
  8. CHECK HARNESS AND CONNECTOR (REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT - MAIN BODY ECU AND BODY GROUND) Disconnect the N13 main body ECU connector. Disconnect the S4 rear door inside handle illumination light connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition S4-2 (+) - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition S4-1 (-) - N13-20 (FSPT) Always Below 1 ohms S4-1 (-) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 13
  9. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  10. REPLACE FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600610-S00048344652014022400000)
  11. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000)
  12. REPLACE NO. 1 INTERIOR ILLUMINATION LIGHT (FRONT DOOR AMBIENT LIGHT). Refer to «REMOVAL [03/2012 - ]»(ref-600610-S00048344652014022400000)
  13. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  1. READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note FR Door Lock Pos Front door unlock detection switch RH signal / LOCK or UNLOCK LOCK: Front door RH locked UNLOCK: Front door RH unlocked - FL Door Lock Pos Front door unlock detection switch LH signal / LOCK or UNLOCK LOCK: Front door LH locked UNLOCK: Front door LH unlocked - RR-Door Lock Pos SW Rear door unlock detection switch RH signal / ON or OFF ON: Rear door RH unlocked OFF: Rear door RH locked - RL-Door Lock Pos SW Rear door unlock detection switch LH signal / ON or OFF ON: Rear door LH unlocked OFF: Rear door LH locked - OK The display is as specified in the normal condition column. RESULT Result Proceed to OK A NG (Front door unlock detection switch RH does not operate) B NG (Front door unlock detection switch LH does not operate) C NG (Rear door unlock detection switch RH does not operate) D NG (Rear door unlock detection switch LH does not operate) E B --> See step 2 C --> See step 6 D --> See step 10 E --> See step 12 A --> See step 15
  2. INSPECT FRONT DOOR LOCK ASSEMBLY RH Remove the front door lock RH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S30454430162014022400000) . Inspect the front door lock RH. Refer to «INSPECTION [03/2012 - ]»(ref-600679-S40706754532014022400000) . NG --> See step 16 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - FRONT DOOR LOCK RH AND BODY GROUND) Disconnect the Q3 and Q4 front multiplex network door ECU RH connectors. Disconnect the Q7 front door lock RH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q3-22 (LSWE) - Q7-8 (E) Always Below 1 ohms Q4-1 (GND) - Body ground Always Below 1 ohms Q3-22 (LSWE) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK RH - MAIN BODY ECU) Disconnect the Q7 front door lock RH connector. Disconnect the N12 main body ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q7-7 (LSSR) - N12-18 (LSFR) Always Below 1 ohms Q7-7 (LSSR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. INSPECT FRONT MULTIPLEX NETWORK DOOR ECU RH Remove the front multiplex network door ECU RH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q3-22 (LSWE) - Q4-1 (GND) Always Below 1 ohms NG --> See step 22 OK --> See step 17
  6. INSPECT FRONT DOOR LOCK ASSEMBLY LH Remove the front door lock LH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S30454430162014022400000) . Inspect the front door lock LH. Refer to «INSPECTION [03/2012 - ]»(ref-600679-S40706754532014022400000) . NG --> See step 19 OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU LH - FRONT DOOR LOCK LH AND BODY GROUND) Disconnect the Q18 and Q19 front multiplex network door ECU LH connectors. Disconnect the Q22 front door lock LH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q18-22 (LSWE) - Q22-7 (E) Always Below 1 ohms Q19-1 (GND) - Body ground Always Below 1 ohms Q18-22 (LSWE) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  8. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK LH - MAIN BODY ECU) Disconnect the Q22 front door lock LH connector. Disconnect the N12 main body ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q22-8 (LSSR) - N12-7 (LSFL) Always Below 1 ohms Q22-8 (LSSR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  9. INSPECT FRONT MULTIPLEX NETWORK DOOR ECU LH Remove the front multiplex network door ECU LH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q18-22 (LSWE) - Q19-1 (GND) Always Below 1 ohms NG --> See step 23 OK --> See step 17
  10. INSPECT REAR DOOR LOCK ASSEMBLY RH Remove the rear door lock RH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S22763604502014022400000) . Inspect the rear door lock RH. Refer to «INSPECTION [03/2012 - ]»(ref-600679-S14957534502014022400000) . NG --> See step 20 OK: Go to next step
  11. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK RH - MAIN BODY ECU AND BODY GROUND) Disconnect the R2 rear door lock RH connector. Disconnect the N13 main body ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition R2-9 (LSSR) - N13-2 (LSWR) Always Below 1 ohms R2-6 (E) - Body ground Always Below 1 ohms R2-9 (LSSR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 17
  12. INSPECT REAR DOOR LOCK ASSEMBLY LH Remove the rear door lock LH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S22763604502014022400000) . Inspect the rear door lock LH. Refer to «INSPECTION [03/2012 - ]»(ref-600679-S40706754532014022400000) . NG --> See step 21 OK: Go to next step
  13. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK LH - COWL SIDE JUNCTION BLOCK LH AND BODY GROUND) Disconnect the R10 rear door lock LH connector. Disconnect the 5C cowl side junction block LH connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition R10-6 (LSSR) - 5C-30 Always Below 1 ohms R10-9 (E) - Body ground Always Below 1 ohms R10-6 (LSSR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  14. INSPECT COWL SIDE JUNCTION BLOCK LH Remove the cowl side junction block LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000) . Remove the main body ECU from the cowl side junction block LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A-5 (LSWL) - 5C-30 Always Below 1 ohms NG --> See step 18 OK --> See step 17
  15. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  16. REPLACE FRONT DOOR LOCK ASSEMBLY RH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S30454430162014022400000)
  17. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  18. REPLACE COWL SIDE JUNCTION BLOCK LH. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)
  19. REPLACE FRONT DOOR LOCK ASSEMBLY LH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S30454430162014022400000)
  20. REPLACE REAR DOOR LOCK ASSEMBLY RH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S22763604502014022400000)
  21. REPLACE REAR DOOR LOCK ASSEMBLY LH. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S22763604502014022400000)
  22. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000)
  23. REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600591-S42206612232014022400000)
  1. READ VALUE USING TECHSTREAM (LUGGAGE DOOR COURTESY LIGHT SWITCH) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600423-S11851139912014022400000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note Luggage Courtesy SW Luggage door courtesy light switch signal / ON or OFF ON: Luggage compartment door open OFF: Luggage compartment door closed For vehicles with power trunk lid system, this item is not related luggage compartment door condition. OK The display is as specified in the normal condition column. NG --> See step 2 OK --> See step 4
  2. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Remove the luggage compartment door lock. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S17168047862014022400000) . Inspect the luggage compartment door lock. Refer to «INSPECTION [03/2012 - ]»(ref-600679-S10954907112014022400000) . NG --> See step 5 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK - MAIN BODY ECU AND BODY GROUND) Disconnect the a8 luggage compartment door lock connector. Disconnect the N12 main body ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition a8-3 (D+) - N12-19 (LGCY) Always Below 1 ohms a8-2 (E) - Body ground Always Below 1 ohms a8-3 (D+) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 6
  4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600423-S18953902322014022400000)
  5. REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600679-S17168047862014022400000)
  6. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)

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