Contents Section: Interior/illumination Lights All sections

Lighting System (Diagnostics & Circuit Tests): Other Scion tC II рестайлинг

Interior/illumination Lights 4 illustrations ~2645 words

PRECAUTION [05/2013 - ]

  1. IGNITION SWITCH EXPRESSION HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this Service Information. Expression Ignition Switch (position) Engine Switch (condition) Ignition Switch off Off Off Ignition Switch ON ON On (IG) Ignition Switch ACC ACC On (ACC) Engine Start START Start

Scheme 11

Scheme 11: ILLUSTRATION

Scheme 12

Scheme 12: ILLUSTRATION

Scheme 13

Scheme 13: ILLUSTRATION

Scheme 14

Scheme 14: SYSTEM DIAGRAM [05/2013 - ]
TransmitterReceiverSignalCommunication Line
Main body ECU (Multiplex network body ECU)Certification ECUEngine switch illumination signalCAN

COMMUNICATION TABLE

CUSTOMIZE PARAMETERS [05/2013 - ]

  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 ignition switch to ON. Turn the Techstream on. Enter the following menus: Customize Setting / Illuminated Entry. Select the setting by referring to the table below. Display Default Content Setting Relevant ECU Lighting Time 15 s Changes the lighting time after closing all of the doors (the lights will fade out immediately when turning the ignition switch from off to ACC or ON). 7.5 s, 15 s or 30 s Main body ECU (Multiplex network body ECU) I/L when ACC OFF ON This function turns on the room lights when the ignition switch is turned from ON or ACC to off (the room lights turn on when the interior light switches are set to DOOR). ON or OFF Main body ECU (Multiplex network body ECU) I/L ON W/Door Key Unlock ON This function turns on the room lights when the door is unlocked using a mechanical key or transmitter (the room lights turn on when the interior light switches are set to DOOR). ON or OFF Main body ECU (Multiplex network body ECU) Room Light when Aprchd* ON This function turns on the room lights when the key is brought within the vehicle exterior detection area (the room lights turn on when the interior light switches are set to DOOR). ON or OFF Main body ECU (Multiplex network body ECU) *: w/ Smart Key System

PROCEDURE

  1. READ VALUE USING TECHSTREAM (IGNITION SWITCH) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615116-S19561068322014050900000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note IG SW Ignition switch ON signal / ON or OFF ON: Ignition switch ON OFF: Ignition switch off "OFF" is also displayed for this item when the ignition switch is ACC. OK The display is as specified in the normal condition column. NG --> See step 2 OK --> See step 5
  2. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BATTERY AND BODY GROUND) Disconnect the 2G and 2D instrument panel junction block connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2G-1 - 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 2D-9 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (IG POWER SOURCE CIRCUIT) Disconnect the 2C instrument panel junction block connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition 2C-26 - Body ground Ignition switch ON 11 to 14 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000) . Reconnect the 2G, 2C and 2D instrument panel junction block 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 Ignition switch ON 11 to 14 V TEXT IN ILLUSTRATION *a Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 7 OK --> See step 6
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [05/2013 - ]»(ref-615116-S12824318202014050900000)
  6. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)
  7. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)
  1. READ VALUE USING TECHSTREAM (IGNITION SWITCH) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615116-S19561068322014050900000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note ACC SW Ignition switch ACC signal / ON or OFF ON: Ignition switch ACC OFF: Ignition switch off "ON" is also displayed for this item when the ignition switch is ON. OK The display is as specified in the normal condition column. NG --> See step 2 OK --> See step 5
  2. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BATTERY AND BODY GROUND) Disconnect the 2G and 2D instrument panel junction block connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 2G-1 - 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 2D-9 - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (ACC POWER SOURCE CIRCUIT) Disconnect the 2C instrument panel junction block connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition 2C-25 - Body ground Ignition switch ACC 11 to 14 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Instrument Panel Junction Block Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000) . Reconnect the 2G, 2C and 2D instrument panel junction block connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition A-29 (ACC) - Body ground Ignition switch ACC 11 to 14 V TEXT IN ILLUSTRATION *a Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 7 OK --> See step 6
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [05/2013 - ]»(ref-615116-S12824318202014050900000)
  6. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)
  7. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)
  1. READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615116-S19561068322014050900000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note FR Door Courtesy Front door courtesy light switch RH signal / ON or OFF ON: Front door RH closed OFF: Front door RH open - FL Door Courtesy Front door courtesy light switch LH signal / ON or OFF ON: Front door LH closed OFF: Front door LH open - OK The display is as specified in the normal condition column. NG --> See step 2 OK --> See step 6
  2. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY Remove the front door courtesy light switch assembly. Refer to «REMOVAL [05/2013 - ]»(ref-615315-S29101393682014050900000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 1 - Switch body Pin not pushed Below 1 ohms Pin pushed 10 kohms or higher NG --> See step 5 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY) *1: for LH *2: for RH Disconnect the 2A*1 or 2D*2 instrument panel junction block connector. Disconnect the H1*1 or J1*2 front door courtesy light switch connector. Measure the resistance according to the value(s) in the table below. Standard Resistance for LH for RH Tester Connection Condition Specified Condition 2A-4 - H1-1 Always Below 1 ohms 2A-4 - Body ground Always 10 kohms or higher Tester Connection Condition Specified Condition 2D-52 - J1-1 Always Below 1 ohms 2D-52 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000) . Measure the resistance according to the value(s) in the table below. Standard Resistance for LH for RH Tester Connection Condition Specified Condition A-2 (FLCY) - 2A-4 Always Below 1 ohms Tester Connection Condition Specified Condition A-4 (FRCY) - 2D-52 Always Below 1 ohms NG --> See step 8 OK --> See step 7
  5. REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY. Refer to «REMOVAL [05/2013 - ]»(ref-615315-S29101393682014050900000)
  6. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [05/2013 - ]»(ref-615116-S12824318202014050900000)
  7. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)
  8. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)
  1. READ VALUE USING TECHSTREAM (BACK DOOR COURTESY SWITCH) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615116-S19561068322014050900000) . MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note Back Door Courtesy SW Back door courtesy switch signal / ON or OFF ON: Back door open OFF: Back door closed - OK The display is as specified in the normal condition column. NG --> See step 2 OK --> See step 5
  2. INSPECT BACK DOOR LOCK ASSEMBLY (BACK DOOR COURTESY SWITCH) Remove the back door lock assembly. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615318-S07815612222014050900000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1 (E) - 2 (+) Open position Below 1 ohms Closed position 10 kohms or higher TEXT IN ILLUSTRATION *a Closed position *b Open position NG --> See step 6 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BACK DOOR LOCK ASSEMBLY AND BODY GROUND) Disconnect the C56 main body ECU connector. Disconnect the L3 back door lock connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition C56-19 (BCTY) - L3-2 (+) Always Below 1 ohms L3-1 (E) - Body ground Always Below 1 ohms C56-19 (BCTY) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 4
  4. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [05/2013 - ]»(ref-615116-S12824318202014050900000)
  6. REPLACE BACK DOOR LOCK ASSEMBLY. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615318-S07815612222014050900000)
  1. PERFORM ACTIVE TEST USING TECHSTREAM (ENGINE SWITCH ILLUMINATION) Using the Techstream, perform the Active Test. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615116-S19561068322014050900000) . SMART KEY Tester Display Test Part Control Range Diagnostic Note Power/Engine SW Light Engine switch illumination ON/OFF - OK Engine switch illumination illuminates. NG --> See step 2 OK --> See step 5
  2. INSPECT ENGINE SWITCH Remove the engine switch. Refer to «REMOVAL [05/2013 - ]»(ref-615241-S34590132922014050900000) . Connect a positive (+) lead from the battery to terminal 11 (SWIL) and a negative (-) lead to terminal 5 (GND). Check that the engine switch illumination illuminates. OK Engine switch illumination illuminates. NG --> See step 4 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU AND BODY GROUND) Disconnect the C35 certification ECU connector. Disconnect the C15 engine switch connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition C35-11 (SWIL) - C15-11 (SWIL) Always Below 1 ohms C15-5 (GND) - Body ground Always Below 1 ohms C35-11 (SWIL) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 6
  4. REPLACE ENGINE SWITCH. Refer to «REMOVAL [05/2013 - ]»(ref-615241-S34590132922014050900000)
  5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [05/2013 - ]»(ref-615116-S12824318202014050900000)
  6. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615312-S21015765112014050900000)
  1. READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH) Using the Techstream, read the Data List. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615116-S19561068322014050900000) . 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 - 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 B --> See step 2 C --> See step 4 A --> See step 6
  2. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH Remove the front door with motor lock assembly RH. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615318-S29733944832014050900000) . TEXT IN ILLUSTRATION *a Unlock *b Lock Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 7 (LSSR) - 8 (E) Lock 10 kohms or higher 7 (LSSR) - 8 (E) Unlock Below 1 ohms NG --> See step 7 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH - MAIN BODY ECU AND BODY GROUND) Disconnect the D7 front door with motor lock RH connector. Disconnect the C56 main body ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D7-7 (LSSR) - C56-18 (LSFR) Always Below 1 ohms D7-8 (E) - Body ground Always Below 1 ohms D7-7 (LSSR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 9
  4. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH Remove the front door with motor lock assembly LH. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615318-S29733944832014050900000) . TEXT IN ILLUSTRATION *a Lock *b Unlock Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 8 (LSSR) - 7 (E) Lock 10 kohms or higher 8 (LSSR) - 7 (E) Unlock Below 1 ohms NG --> See step 8 OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH - MAIN BODY ECU AND BODY GROUND) Disconnect the E6 front door with motor lock LH connector. Disconnect the C56 main body ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition E6-8 (LSSR) - C56-7 (LSFL) Always Below 1 ohms E6-7 (E) - Body ground Always Below 1 ohms E6-8 (LSSR) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 9
  6. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [05/2013 - ]»(ref-615116-S12824318202014050900000)
  7. REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615318-S29733944832014050900000)
  8. REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH. Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615318-S29733944832014050900000)
  9. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000)