Lighting System (Interior) (Diagnostics & Circuit Tests): Other Toyota Corolla XI

PRECAUTION [08/2013 - ]

1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Air Conditioning System (for Automatic Air Conditioning System) Refer to «INITIALIZATION [08/2013 - ]»(ref-635429-S20696467122014070300000)
2. IGNITION SWITCH EXPRESSIONS The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this article. Expression Ignition Switch (Position) Engine Switch (Condition) Ignition Switch off LOCK Off (Lock) Ignition Switch ACC ACC On (ACC) Ignition Switch ON ON On (IG) Engine Start START On (Start)

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CAUTION / NOTICE / HINT

HINT

1. Use the following procedure to troubleshoot the lighting system.
2. *: Use the Techstream.

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP Result Proceed to NEXT Result: 1 NEXT See step 2
2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK Result Proceed to NEXT Result: 1 NEXT See step 3
3. INSPECT BATTERY VOLTAGE Measure the 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. Result Proceed to NEXT Result: 1 NEXT See step 4
4. INSPECT CAN COMMUNICATION SYSTEM* Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [08/2013 - 04/2014]»(ref-635647-S40458511452014070300000) and «DIAGNOSIS SYSTEM [04/2014 - ]»(ref-635652-S02842089492014070300000) Result Result Proceed to CAN communication system DTCs are not output. A CAN communication system DTCs are output. B Result: 2 B GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]»(ref-635647-S27781195552014070300000) Result: 1 A See step 5
5. PROBLEM SYMPTOMS TABLE Refer to Problem Symptoms Table. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result Result Proceed to Fault is not listed in Problem Symptoms Table. A Fault is listed in Problem Symptoms Table. B Result: 2 B GO TO PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 1 A See step 6
6. OVERALL ANALYSIS AND TROUBLESHOOTING* Data List / Active Test Refer to «DATA LIST / ACTIVE TEST [08/2013 - ]»(ref-635439-S22836952252014070300000) Terminals of ECU Refer to «TERMINALS OF ECU [08/2013 - ]»(ref-635439-S09349751832014070300000) Result Proceed to NEXT Result: 1 NEXT See step 7
7. ADJUST, REPAIR OR REPLACE Result Proceed to NEXT Result: 1 NEXT See step 8
8. CONFIRMATION TEST Result Proceed to NEXT Result: 1 NEXT END

CUSTOMIZE PARAMETERS [08/2013 - ]

1. CUSTOMIZE LIGHTING SYSTEM (INT) Customizing using the Techstream 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. Be sure to make a note of the current settings before customizing. When troubleshooting a function, first make sure that the function is set to the default setting. 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. Illuminated Entry Tester Display Description Default Setting ECU Lighting Time Changes the lighting time of the following lights that are operated by the timer function when the interior light door switch of the map light assembly is on: Engine switch illumination*1 Map light assembly No. 1 room light assembly 15 s 10:30 s, 00:15 s, 01:7.5 s Main body ECU (Multiplex network body ECU) I/L when ACC OFF Turns off the following lights automatically when the interior light door switch of the map light assembly is on and the ignition switch is turned from ON or ACC to off: Engine switch illumination*1 Map light assembly No. 1 room light assembly ON 0:OFF, 1:ON Main body ECU (Multiplex network body ECU) I/L ON W/Door Key Unlock Lights up the following lights automatically when the interior light door switch of the map light assembly is on and the doors are unlocked by an unlock operation (key-linked, wireless or entry unlock function*1): Engine switch illumination*1 Map light assembly No. 1 room light assembly ON 0:OFF, 1:ON Main body ECU (Multiplex network body ECU) Room Light when Aprchd Lights up the following lights when the interior light door switch of the map light assembly is on and the electrical key transmitter sub-assembly is brought near the vehicle*1: Engine switch illumination Map light assembly No. 1 room light assembly ON 0:OFF, 1:ON Main body ECU (Multiplex network body ECU) Interior Light Control Lights up the following lights*2: Engine switch illumination*1 Map light assembly No. 1 room light assembly ON 0:OFF, 1:ON Main body ECU (Multiplex network body ECU) *1: w/ Smart Key System *2: for Main Body ECU with 2 Connectors Customizing using the Multi-display. Turn the ignition switch to ON. Enter the following menus: SETUP / Vehicle / Vehicle Customization / Lights Settings. (for Radio and Display Type) Enter the following menus: APPS / Setup / Vehicle / Vehicle Customization / Lights Settings. (for Navigation Receiver Type) Select the setting by referring to the table below. LIGHTS SETTINGS Display Default Content Setting Relevant ECU Interior Lights Off Timer 15 sec. Changes the lighting time of the following lights that are operated by the timer function when the interior light door switch of the map light assembly is on: Engine switch illumination*1 Map light assembly No. 1 room light assembly Off, 15 sec., 7.5 sec. or 30 sec. Main body ECU (Multiplex network body ECU) *1: w/ Smart Key System

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

Scheme 22

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR [08/2013 - ]»(ref-635437-S33017851162014070300000) Body Electrical > Power Source Control > Clear DTCs Check for DTCs. Refer to «DTC CHECK / CLEAR [08/2013 - ]»(ref-635437-S33017851162014070300000) Body Electrical > Power Source Control > Trouble Codes Result Result Proceed to Smart key system (for Start Function) DTCs are not output A Smart key system (for Start Function) DTCs are output B Result: 2 B GO TO SMART KEY SYSTEM (for Start Function). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]»(ref-635437-S09235026852014070300000) Result: 1 A See step 2
2. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List 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 - Body Electrical > Main Body > Data List Tester Display IG SW OK Normal conditions listed above are displayed. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 2 NG See step 3
3. CHECK HARNESS AND CONNECTOR (IG1 NO. 1 RELAY POWER SOURCE) Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 3D-25 - Body ground Ignition switch ON 11 to 14 V *a Component with harness connected (Driver Side Junction Block Assembly) Result Proceed to OK NG Result: 3 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
4. CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BATTERY AND BODY GROUND) Disconnect the 3B, 3C and 3D driver side junction block assembly connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 3B-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 3C-9 - Body ground Always Below 1 ohms 3D-12 - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 5
5. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY (IG1 NO. 1 RELAY) Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Driver Side Junction Block Assembly) - - Standard Resistance Tester Connection Condition Specified Condition 3B-1 - MB-32 (IG) Battery not connected to 3D-25 and 3D-12 10 kohms or higher 3B-1 - MB-32 (IG) Battery not connected to 3D-25 and 3C-9 10 kohms or higher 3B-1 - MB-32 (IG) Battery positive (+) --> 3D-25 Battery negative (-) --> 3D-12 Below 1 ohms 3B-1 - MB-32 (IG) Battery positive (+) --> 3D-25 Battery negative (-) --> 3C-9 Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000)

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

Scheme 23

Scheme 24

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR [08/2013 - ]»(ref-635437-S33017851162014070300000) Body Electrical > Power Source Control > Clear DTCs Check for the DTCs. Refer to «DTC CHECK / CLEAR [08/2013 - ]»(ref-635437-S33017851162014070300000) Body Electrical > Power Source Control > Trouble Codes Result Result Proceed to Smart key system (for Start Function) DTCs are not output A Smart key system (for Start Function) DTCs are output B Result: 2 B GO TO SMART KEY SYSTEM (for Start Function). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]»(ref-635437-S09235026852014070300000) Result: 1 A See step 2
2. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List 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 - Body Electrical > Main Body > Data List Tester Display ACC SW OK Normal conditions listed above are displayed. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 2 NG See step 3
3. CHECK HARNESS AND CONNECTOR (ACC RELAY POWER SOURCE) Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 3D-27 - Body ground Ignition switch ACC 11 to 14 V *a Component with harness connected (Driver Side Junction Block Assembly) Result Proceed to OK NG Result: 3 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
4. CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BATTERY AND BODY GROUND) Disconnect the 3B, 3C and 3D driver side junction block assembly connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 3B-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 3C-9 - Body ground Always Below 1 ohms 3D-12 - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 5
5. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY (ACC RELAY) Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Driver Side Junction Block Assembly) - - Standard Resistance Tester Connection Condition Specified Condition 3B-1 - MB-29 (ACC) Battery not connected to 3D-27 and 3C-9 10 kohms or higher 3B-1 - MB-29 (ACC) Battery not connected to 3D-27 and 3D-12 10 kohms or higher 3B-1 - MB-29 (ACC) Battery positive (+) --> 3D-27 Battery negative (-) --> 3C-9 Below 1 ohms 3B-1 - MB-29 (ACC) Battery positive (+) --> 3D-27 Battery negative (-) --> 3D-12 Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000)

1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List Tester Display Measurement Item Range Normal Condition Diagnostic Note FR Door Courtesy SW Front door courtesy light switch assembly (RH) signal ON or OFF ON: Front door RH open OFF: Front door RH closed - FL Door Courtesy SW Front door courtesy light switch assembly (LH) signal ON or OFF ON: Front door LH open OFF: Front door LH closed - Body Electrical > Main Body > Data List Tester Display FR Door Courtesy SW FL Door Courtesy SW OK Normal conditions listed above are displayed. Result Result Proceed to OK A FR Door Courtesy SW is not normal B FL Door Courtesy SW is not normal C Result: 1 A PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 3 C See step 4 Result: 2 B See step 2
2. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RH) Remove the front door courtesy light switch assembly (RH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S05485956942014070300000) Inspect the front door courtesy light switch assembly (RH). Refer to «INSPECTION [08/2013 - ]»(ref-635677-S22373859762014070300000) Result Proceed to OK NG Result: 3 NG REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S05485956942014070300000) Result: 1 OK See step 3
3. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (RH) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Disconnect the E31 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L36-1 - E31-19 (FRCY) Always Below 1 ohms L36-1 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
4. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH) Remove the front door courtesy light switch assembly (LH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S05485956942014070300000) Inspect the front door courtesy light switch assembly (LH). Refer to «INSPECTION [08/2013 - ]»(ref-635677-S22373859762014070300000) Result Proceed to OK NG Result: 3 NG REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S05485956942014070300000) Result: 1 OK See step 5
5. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH) - DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Disconnect the 3E driver side junction block assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L1-1 - 3E-34 Always Below 1 ohms L1-1 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 6
6. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Remove the main body ECU (multiplex network body ECU) from the side junction block assembly. Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Driver Side Junction Block Assembly) - - Standard Resistance Tester Connection Condition Specified Condition 3E-34 - MB-2 (FLCY) Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000)

1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List Tester Display Measurement Item Range Normal Condition Diagnostic Note RR Door Courtesy SW Rear door courtesy light switch assembly (RH) signal ON or OFF ON: Rear door RH open OFF: Rear door RH closed - RL Door Courtesy SW Rear door courtesy light switch assembly (LH) signal ON or OFF ON: Rear door LH open OFF: Rear door LH closed - Body Electrical > Main Body > Data List Tester Display RR Door Courtesy SW RL Door Courtesy SW OK Normal conditions listed above are displayed. Result Proceed to Proceed to OK A RR Door Courtesy SW is not normal B RL Door Courtesy SW is not normal C Result: 1 A PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 3 C See step 4 Result: 2 B See step 2
2. INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (RH) Remove the rear door courtesy light switch assembly (RH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S13019988342014070300000) Inspect the rear door courtesy light switch assembly (RH). Refer to «INSPECTION [08/2013 - ]»(ref-635677-S22863170292014070300000) Result Proceed to OK NG Result: 3 NG REPLACE REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (RH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S13019988342014070300000) Result: 1 OK See step 3
3. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (RH) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Disconnect the E31 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L37-1 - E31-6 (RCTY) Always Below 1 ohms L37-1 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
4. INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH) Remove the rear door courtesy light switch assembly (LH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S13019988342014070300000) Inspect the rear door courtesy light switch assembly (LH). Refer to «INSPECTION [08/2013 - ]»(ref-635677-S22863170292014070300000) Result Proceed to OK NG Result: 3 NG REPLACE REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH). Refer to «REMOVAL [08/2013 - ]»(ref-635677-S13019988342014070300000) Result: 1 OK See step 5
5. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (LH) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Disconnect the E31 main body ECU (multiplex network body ECU) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L2-1 - E31-1 (LCTY) Always Below 1 ohms L2-1 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR

HINT

The DOME CUT relay supplies power to the interior lights. If all the lights that use power from the DOME CUT relay do not turn on, check the interior light auto cut circuit first.

Refer to Interior Light Auto Cut Circuit [08/2013 - ]

1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Active Test. Perform the Active Test according to the display on the Techstream. Body Electrical > Main Body > Active Test Tester Display Measurement Item Control Range Diagnostic Note Illuminated Entry System Turns on the lights that are controlled by the illuminated entry system*1 ON or OFF - *1: Refer to System Description for the lights that are controlled by the illuminated entry system. Refer to «SYSTEM DESCRIPTION [08/2013 - ]»(ref-635439-S11248335292014070300000) Body Electrical > Main Body > Active Test Tester Display Illuminated Entry System OK All lights that are controlled by the illuminated entry system come on. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 3 NG See step 2
2. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY OR NO. 1 ROOM LIGHT ASSEMBLY POWER SOURCE) Disconnect the O3*1 or O5*2 map light assembly connector. *1: w/o Sliding Roof *2: w/ Sliding Roof Disconnect the O1 No. 1 room light assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage w/o Sliding Roof Tester Connection Condition Specified Condition O3-1 (+B1) - Body ground Battery saving function not operating 11 to 14 V O1-1 (B) - Body ground Battery saving function not operating 11 to 14 V Standard Voltage w/ Sliding Roof Tester Connection Condition Specified Condition O5-3 (+B1) - Body ground Battery saving function not operating 11 to 14 V O1-1 (B) - Body ground Battery saving function not operating 11 to 14 V Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 3
3. INSPECT MAP LIGHT ASSEMBLY Remove the map light assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635677-S35860491362014070300000) Inspect the map light assembly. Refer to «INSPECTION [08/2013 - ]»(ref-635677-S20311978922014070300000) Result Proceed to OK NG Result: 2 NG REPLACE MAP LIGHT ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635677-S35860491362014070300000) Result: 1 OK See step 4
4. INSPECT NO. 1 ROOM LIGHT ASSEMBLY Replace the No. 1 room light assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635677-S11215922622014070300000) HINT: Since the No. 1 room light assembly cannot be inspected while it is removed from the vehicle, replace the No. 1 room light assembly with a new or known good one and check that the condition returns to normal. OK Same problem does not occur. Result Proceed to OK NG Result: 1 OK END (NO. 1 ROOM LIGHT ASSEMBLY WAS DEFECTIVE) Result: 2 NG See step 5
5. CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - MAP LIGHT ASSEMBLY OR NO. 1 ROOM LIGHT ASSEMBLY) Disconnect the 3C driver side junction block assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance w/o Sliding Roof Tester Connection Condition Specified Condition 3C-54 - O3-3 (CTY) Always Below 1 ohms 3C-54 - O1-3 (CTY) Always Below 1 ohms 3C-54 - Body ground Always 10 kohms or higher Standard Resistance w/ Sliding Roof Tester Connection Condition Specified Condition 3C-54 - O5-2 (CTY) Always Below 1 ohms 3C-54 - O1-3 (CTY) Always Below 1 ohms 3C-54 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 6
6. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Driver Side Junction Block Assembly) - - Standard Resistance Tester Connection Condition Specified Condition 3C-54 - MB-1 (ILE) Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000)

Note. Inspect the fuses for circuits related to this system before performing the following procedure.

Scheme 25

Scheme 26

1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Active Test. Perform the Active Test according to the display on the Techstream. Body Electrical > Main Body > Active Test Tester Display Measurement Item Control Range Diagnostic Note Relay for Interior Light Auto Cut Function DOME CUT relay ON or OFF ON: DOME CUT relay off (interior lights turn off) OFF: DOME CUT relay on (interior lights turn on) When performing this Active Test, turn on all the interior lights. Body Electrical > Main Body > Active Test Tester Display Relay for Interior Light Auto Cut Function OK DOME CUT relay operates. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 2 NG See step 2
2. CHECK HARNESS AND CONNECTOR (BATTERY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Disconnect the E31 main body ECU (multiplex network body ECU) connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition E31-15 (DOMR) - Body ground Always 11 to 14 V Result Proceed to OK NG Result: 2 NG See step 5 Result: 1 OK See step 3
3. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Measure the voltage according to the value(s) in the table below. *a Component without harness connected (Driver Side Junction Block Assembly) - - Standard Voltage Tester Connection Condition Specified Condition 3C-42 - Battery negative terminal Battery positive (+) --> 3A-51 Battery negative (-) --> 3D-26 11 to 14 V 3E-40 - Battery negative terminal Battery positive (+) --> 3A-51 Battery negative (-) --> 3D-26 11 to 14 V Result Result Proceed to OK A Terminal 3C-42 is not normal B Terminal 3E-40 is not normal C Terminals 3C-42 and 3E-40 are not normal D Result: 1 A REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 3 B REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 D REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 4 C See step 4
4. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the main body ECU (multiplex network body ECU) from driver side juncton block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3C-42 - MB-3 (BCYL) Always Below 1 ohms 3E-40 - MB-4 (BCTL) Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000)
5. CHECK HARNESS AND CONNECTOR (BATTERY OR MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Disconnect the 3A and 3D driver side junction block assembly connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition 3A-51 - 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 3D-26 - E31-15 (DOMR) Always Below 1 ohms 3D-26 - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 6
6. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Driver Side Junction Block Assembly) - - Standard Resistance Tester Connection Condition Specified Condition 3A-51 - 3D-26 Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000)

1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Smart Key / Active Test. Perform the Active Test according to the display on the Techstream. Body Electrical > Smart Key > Active Test Tester Display Measurement Item Control Range Diagnostic Note Power/Engine SW Light Engine switch illumination ON or OFF w/ Smart Key System Body Electrical > Smart Key > Active Test Tester Display Power/Engine SW Light OK Engine switch illumination comes on. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 2 NG See step 2
2. INSPECT ENGINE SWITCH Remove the engine switch. for 2ZR-FAE: Refer to «REMOVAL [08/2013 - ]»(ref-635612-S14439298562014070300000) for 2ZR-FE: Refer to «REMOVAL [08/2013 - ]»(ref-635626-S08969552542014070300000) Inspect the engine switch. for 2ZR-FAE: Refer to «INSPECTION [08/2013 - ]»(ref-635612-S13406095052014070300000) for 2ZR-FE: Refer to «INSPECTION [08/2013 - ]»(ref-635626-S03426249692014070300000) Result Proceed to OK NG Result: 2 NG REPLACE ENGINE SWITCH for 2ZR-FAE: Refer to «REMOVAL [08/2013 - ]»(ref-635612-S14439298562014070300000) for 2ZR-FE: Refer to «REMOVAL [08/2013 - ]»(ref-635626-S08969552542014070300000) Result: 1 OK See step 3
3. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)) Disconnect the E59 certification ECU (smart key ECU assembly) connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition E60-9 (SWIL) - E59-16 (SWIL) Always Below 1 ohms E60-6 (AGND) - E59-24 (AGND) Always Below 1 ohms E60-9 (SWIL) - Body ground Always 10 kohms or higher E60-6 (AGND) - Body ground Always 10 kohms or higher Result Proceed to OK NG Result: 1 OK REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL [08/2013 - ]»(ref-635673-S33087994032014070300000) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR

1. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / Main Body / Data List. Read the Data List according to the display on the Techstream. Body Electrical > Main Body > Data List Tester Display Measurement Item Range Normal Condition Diagnostic Note Luggage Courtesy SW Luggage compartment door courtesy switch signal ON or OFF ON: Luggage compartment door open OFF: Luggage compartment door closed - Body Electrical > Main Body > Data List Tester Display Luggage Courtesy SW OK Normal conditions listed above are displayed. Result Proceed to OK NG Result: 1 OK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [08/2013 - ]»(ref-635439-S06333104132014070300000) Result: 2 NG See step 2
2. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Remove the luggage compartment door lock assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635677-S14354368372014070300000) Inspect the luggage compartment door courtesy switch built in the luggage compartment door lock assembly. Refer to «INSPECTION [08/2013 - ]»(ref-635677-S29659972452014070300000) Result Proceed to OK NG Result: 2 NG REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635677-S14354368372014070300000) Result: 1 OK See step 3
3. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND BODY GROUND) Disconnect the 3E driver side junction block assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L29-3 (D+) - 3E-38 Always Below 1 ohms L29-3 (D+) - Body ground Always 10 kohms or higher L29-2 (E) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR Result: 1 OK See step 4
4. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Driver Side Junction Block Assembly) - - Standard Resistance Tester Connection Condition Specified Condition 3E-38 - MB-20 (LGCY) Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(ref-635627-S03921509152014070300000)