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

SYSTEM DESCRIPTION [08/2013 - ]

1. ILLUMINATED ENTRY SYSTEM The illuminated entry system has the following control functions: Control Outline Lights that Operate Actuation Area-linked*1 When a registered key enters any actuation area around the doors, the lights that operate turn on. Engine Switch Illumination*1 Map Light Assembly No. 1 Room Light Assembly When a registered key leaves all of the actuation areas around the doors, the lights that operate turn off. Door Lock/Unlock-linked When any door is unlocked, the lights that operate turn on. When all doors are locked, the lights that operate turn off. Door Open/Close-linked When any door is opened, the lights that operate turn on. When all doors are closed, the lights that operate turn off. Ignition Switch-linked When the ignition switch is turned from ON or ACC to off, the lights that operate turn on. When the ignition switch is turned from off to ON or ACC, the lights that operate turn off. Delay When approximately 15 seconds elapse after any of the following conditions is met, the lights that operate turn off: An actuation area-linked function is used.*1 The door unlock-linked function is active. Any door is opened and then all doors are closed when the ignition switch is off. The ignition switch is turned from ON to off when all doors are closed. *1: w/ Smart Key System
2. BATTERY SAVING FUNCTION The battery saving function has the following control functions: Control Outline Lights that Operate Battery Saving When 20 minutes elapse after the ignition switch is turned from ACC or ON to off and the lights that operate remain on, the lights are turned off. HINT: Battery saving control is canceled when any of the following operations is performed before the lights are turned off by battery saving control. After the operation is performed, the lights remain on for another 20 minutes and then the lights are turned off. The ignition switch is turned to ON or ACC Any door is opened and closed The luggage compartment door is opened and closed Any door is unlocked The key enters any exterior actuation area*1 Engine Switch Illumination*1 Map Light Assembly No. 1 Room Light Assembly No. 1 Luggage Compartment Light Assembly *1: w/ Smart Key System

OPERATION CHECK [08/2013 - ]

1. INSPECT ILLUMINATED ENTRY SYSTEM OPERATION NOTE: Perform this inspection with the customize parameters at the initial settings. HINT: The lights controlled by the illuminated entry system are as follows. Engine Switch Illumination*1 Map Light Assembly No. 1 Room Light Assembly *1: w/ Smart Key System The operation and conditions are described below. Operation Condition Fade in and illuminate constantly Any door is opened when all doors are closed. Illuminate for 15 seconds, and then fade out When any of the following conditions is met, the interior lights illuminate for 15 seconds, and then fade out: The key enters any actuation area around the doors when the ignition switch is off and all doors are closed.*1, *2 Any door is unlocked when the ignition switch is off with all doors closed and locked. The ignition switch is turned from ON to off when all doors are closed. All doors are closed after any door is opened when the ignition switch is off. Fade out immediately When any of the following conditions is met, the interior lights fade out immediately: The ignition switch is turned from off to ACC when all doors are closed. All doors are locked when the ignition switch is off, all doors are closed and any door is unlocked. All doors are locked again when all doors are already closed and locked. *1: When the lights are on, if the key leaves all of the actuation areas around the doors, after approximately 3 seconds, the lights fade out. *2: w/ Smart Key System
2. INSPECT BATTERY SAVING FUNCTION NOTE: Perform this inspection with the customize parameters at the initial settings. HINT: The lights controlled by the battery saving function are as follows: Engine Switch Illumination*1 Map Light Assembly No. 1 Room Light Assembly No. 1 Luggage Compartment Light Assembly *1: w/ Smart Key System The operation and conditions are described below. Operation Condition The lights are turned off When 20 minutes elapse after the ignition switch is turned from ACC or ON to off and the lights that operate remain on. HINT: Battery saving is canceled when any of the following operations is performed before the lights are turned off by the battery saving function. After the operation is performed, the lights remain on for another 20 minutes and then the lights are turned off. The ignition switch is turned to ACC or ON Any door is opened and closed The luggage compartment door is opened and closed Any door is unlocked The key enters any exterior actuation area*1 *1: w/ Smart Key System

DESCRIPTION

This circuit detects the ignition switch ON or off condition, and sends it to the main body ECU (multiplex network body ECU).

Scheme 1

This circuit detects the ignition switch ACC or off condition, and sends it to the main body ECU (multiplex network body ECU).

Scheme 2

The main body ECU (multiplex network body ECU) detects the condition of the front door courtesy light switch assembly.

Scheme 3

The main body ECU (multiplex network body ECU) detects the condition of the rear door courtesy light switch assembly.

Scheme 4

The main body ECU (multiplex network body ECU) controls the operation of the following lights

1. Map Light Assembly
2. No. 1 Room Light Assembly

Scheme 5

The main body ECU (multiplex network body ECU) controls operation of the DOME CUT relay in order to supply power to the interior lights.

Scheme 6

The illuminated entry system controls the engine switch illumination.

Scheme 7

The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch.

Scheme 8

Scheme 9

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 Lock Pos Front door RH unlock detection switch signal LOCK or UNLOCK LOCK: Front door RH locked UNLOCK: Front door RH unlocked - FL Door Lock Pos Front door LH unlock detection switch signal LOCK or UNLOCK LOCK: Front door LH locked UNLOCK: Front door LH unlocked - RR-Door Lock Pos SW Rear door RH and LH unlock detection switch signal ON or OFF ON: Rear door RH or LH unlocked OFF: Rear door RH and LH locked - RL-Door Lock Pos SW Rear door RH and LH unlock detection switch signal ON or OFF ON: Rear door RH or LH unlocked OFF: Rear door RH and LH locked - Body Electrical > Main Body > Data List Tester Display FR Door Lock Pos FL Door Lock Pos RR-Door Lock Pos SW RL-Door Lock Pos SW Result Result Proceed to OK A "FL Door Lock Pos" is not normal B "FR Door Lock Pos" is not normal C "RL-Door Lock Pos SW" is not normal D "RR-Door Lock Pos SW" is not normal E Both "RL-Door Lock Pos SW" and "RR-Door Lock Pos SW" are not normal F 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: 4 D See step 6 Result: 5 E See step 9 Result: 6 F See step 12 Result: 2 B See step 2
2. INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH Remove the front door lock with motor assembly LH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S24516329462014070300000) Inspect the front door lock with motor assembly LH. Refer to «INSPECTION [08/2013 - ]»(ref-635689-S38006455572014070300000) Result Proceed to OK NG Result: 2 NG REPLACE FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S24516329462014070300000) Result: 1 OK See step 3
3. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND) 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 H8-8 (LSSR) - E31-7 (LSFL) Always Below 1 ohms H8-8 (LSSR) - Body ground Always 10 kohms or higher H8-7 (E) - Body ground Always Below 1 ohms Result Proceed to OK NG Result: 1 OK REPLACE MULTIPLEX NETWORK BODY ECU. Refer to «REMOVAL [08/2013 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
4. INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH Remove the front door lock with motor assembly RH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S24516329462014070300000) Inspect the front door lock with motor assembly RH. Refer to «INSPECTION [08/2013 - ]»(ref-635689-S38006455572014070300000) Result Proceed to OK NG Result: 2 NG REPLACE FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S24516329462014070300000) Result: 1 OK See step 5
5. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND) 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 G9-7 (LSSR) - E31-18 (LSFR) Always Below 1 ohms G9-7 (LSSR) - Body ground Always 10 kohms or higher G9-8 (E) - Body ground 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 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) Result: 2 NG REPAIR OR REPLACE HARNESS OR CONNECTOR
6. INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY LH Remove the rear door lock with motor assembly LH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S36632719272014070300000) Inspect the rear door lock with motor assembly LH. Refer to «INSPECTION [08/2013 - ]»(ref-635689-S33240090212014070300000) Result Proceed to OK NG Result: 2 NG REPLACE REAR DOOR LOCK WITH MOTOR ASSEMBLY LH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S36632719272014070300000) Result: 1 OK See step 7
7. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK WITH MOTOR ASSEMBLY LH - 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 K3-6 (LSSR) - 3E-24 Always Below 1 ohms K3-6 (LSSR) - Body ground Always 10 kohms or higher K3-9 (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 8
8. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) 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-24 - MB-5 (LSR) 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 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information)
9. INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY RH Remove the rear door lock with motor assembly RH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S36632719272014070300000) Inspect the rear door lock with motor assembly RH. Refer to «INSPECTION [08/2013 - ]»(ref-635689-S33240090212014070300000) Result Proceed to OK NG Result: 2 NG REPLACE REAR DOOR LOCK WITH MOTOR ASSEMBLY RH. Refer to «REMOVAL [08/2013 - ]»(ref-635689-S36632719272014070300000) Result: 1 OK See step 10
10. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK WITH MOTOR ASSEMBLY RH - 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 J3-6 (LSSR) - 3E-39 Always Below 1 ohms J3-6 (LSSR) - Body ground Always 10 kohms or higher J3-9 (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 11
11. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) 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-39 - MB-5 (LSR) 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 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information)
12. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY Remove the driver side junction block assembly. Refer to «REMOVAL [08/2013 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) 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-24 - MB-5 (LSR) Always Below 1 ohms 3E-39 - MB-5 (LSR) 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 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information) Result: 2 NG REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL [08/2013 - ]»(/toyota/corolla/xi-2012-2016/remont/body-electrical/#power-distribution-service-information)

The main body ECU (multiplex network body ECU) detects the condition of the luggage compartment door courtesy switch built in the luggage compartment door lock assembly.

Scheme 10

See also:
• REMOVAL [08/2013 - ]