Interior Foot Light does not Illuminate: Procedure

1. Using the Techstream, read the Data List.
   MAIN BODY
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   D Door Courtesy SW	Front door courtesy light switch LH signal/ON or OFF	ON: Front Door LH opened OFF: Front Door LH closed	-
   P Door Courtesy SW	Front door courtesy light switch RH signal/ON or OFF	ON: Front Door RH opened OFF: Front Door RH closed	-
   RL Door Courtesy SW	Rear door courtesy light switch LH signal/ON or OFF	ON: Rear Door LH opened OFF: Rear Door LH closed	-
   RR Door Courtesy SW	Rear door courtesy light switch RH signal/ON or OFF	ON: Rear Door RH opened OFF: Rear Door RH closed	-

   OK

   On the Techstream screen, each item changes between ON and OFF according to above chart.

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (D Door Courtesy SW)	B
   NG (P Door Courtesy SW)	C
   NG (RL Door Courtesy SW)	D
   NG (RR Door Courtesy SW)	E

E → See step   22 

D → See step   20 

C → See step   18 

B → See step   16 

A: Go to next step 

1. Using the Techstream, perform the Active Test.
   MAIN BODY
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Step Light Operation	Front interior foot light illumination operation	OFF/ON	-

   OK

   Front interior foot light condition can be switched by Active Test.

NG → See step   3 

OK → REPLACE MAIN BODY ECU 

1. Check the malfunctioning interior foot light.
   RESULT
   
   

   Result	Proceed to
   Front interior foot light LH	A
   Front interior foot light RH	B
   Rear interior foot light LH	C
   Rear interior foot light RH	D
   All does not light illuminate	E

E → REPLACE MAIN BODY ECU 

D → See step   13 

C → See step   10 

B → See step   7 

A: Go to next step 

Fig 1: Identifying E81 Light Connector

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1. Disconnect the E81 light connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E81-2 - Body ground	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 2: Identifying Front Interior Foot Light (LH) Connector Terminal

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1. Remove the front interior foot light LH. Refer to INSPECTION - Step 1 .
2. Apply battery voltage to the front interior foot light and check the light condition.

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Interior illumination light comes on

NG → See step   24 

OK: Go to next step 

Fig 3: Identifying E3 And E81 Light Connector

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1. Disconnect the E3 ECU connector.
2. Disconnect the E81 light connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E3-11 (FSPT) - E81-1	Always	Below 1 Ω
   E81-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU 

Fig 4: Identifying E88 Light Connector

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1. Disconnect the E88 light connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E88-2 - Body ground	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 5: Identifying Front Interior Foot Light (RH) Connector Terminals

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1. Remove the front interior foot light RH. Refer to INSPECTION .
2. Apply battery voltage to the front interior foot light and check the light condition.

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Interior illumination light comes on

NG → See step   25 

OK: Go to next step 

Fig 6: Identifying E3 And E88 Light Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E3 ECU connector.
2. Disconnect the E88 light connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E3-11 (FSPT) - E88-1	Always	Below 1 Ω
   E88-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU 

Fig 7: Identifying C32 Light Connector

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1. Disconnect the c32 light connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   c32-2 - Body ground	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 8: Identifying Rear Interior Foot Light Connector Terminals

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1. Remove the rear interior foot light LH. Refer to INSPECTION - Step 1 .
2. Apply battery voltage to the rear interior foot light and check the light condition.

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Interior illumination light comes on

NG → See step   26 

OK: Go to next step 

Fig 9: Identifying E3 And C32 Light Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E3 ECU connector.
2. Disconnect the c32 light connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E3-11 (FSPT) - c32-1	Always	Below 1 Ω
   c32-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU 

Fig 10: Identifying C44 ECU Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the c44 ECU connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   c44-2 - Body ground	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 11: Identifying Rear Interior Foot Light RH Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the rear interior foot light RH. Refer to INSPECTION - Step 1 .
2. Apply battery voltage to the rear interior foot light and check the light condition.

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Interior illumination light comes on

NG → See step   27 

OK: Go to next step 

Fig 12: Identifying E3 ECU And C44 Light Connectors

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1. Disconnect the E3 ECU connector.
2. Disconnect the c44 light connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E3-11 (FSPT) - c44-1	Always	Below 1 Ω
   c44-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU 

1. Remove the front door courtesy light switch LH. Refer to INSPECTION - Step 1 .
   Fig 13: Inspecting Front Door Courtesy Light Switch LH

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   1 - Body ground	Not pushed	Below 1 Ω
   	pushed	10 kΩ or higher

NG → See step   28 

OK: Go to next step 

1. Disconnect the K2 switch connector.
   Fig 14: Identifying K2 Switch And E1 ECU Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the E1 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-1 - E1-24 (DCTY)	Always	Below 1 Ω
   K2-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU 

1. Remove the front door courtesy light switch RH. Refer to INSPECTION - Step 1 .
   Fig 15: Inspecting Front Door Courtesy Light Switch RH

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   1 - Body ground	Not pushed	Below 1 Ω
   	pushed	10 kΩ or higher

NG → See step   29 

OK: Go to next step 

1. Disconnect the L1 switch connector.
   Fig 16: Identifying L1 Switch And E2 ECU Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the E2 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L1-1 - E2-21 (PCTY)	Always	Below 1 Ω
   L1-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU 

1. Remove the rear door courtesy light switch LH. Refer to INSPECTION - Step 1 .
   Fig 17: Inspecting Rear Door Courtesy Light Switch LH

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   1 - Body ground	Not pushed	Below 1 Ω
   	pushed	10 kΩ or higher

NG → See step   30 

OK: Go to next step 

1. Disconnect the K3 switch connector.
   Fig 18: Identifying K3 Switch And 2C ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the 2C ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K3-1 - 2C-2 (LCTY)	Always	Below 1 Ω
   K3-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU 

1. Remove the rear door courtesy light switch RH. Refer to INSPECTION - Step 1 .
   Fig 19: Inspecting Rear Door Courtesy Light Switch RH

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   1 - Body ground	Not pushed	Below 1 Ω
   	pushed	10 kΩ or higher

NG → See step   31 

OK: Go to next step 

1. Disconnect the L2 switch connector.
   Fig 20: Identifying L2 Switch And E2 ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the E2 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L2-1 - E2-7 (RCTY)	Always	Below 1 Ω
   L2-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU