LIGHTING (INT)  LIGHTING SYSTEM  Engine Switch Illumination Circuit  


DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

E212454E57
2.969,1.177 3.396,1.354 0.427,0.177 10 false AGND 4.74,1.271 5.167,1.448 0.427,0.177 10 false AGND 3.031,0.781 3.771,1.156 0.74,0.375 10 false SWIL 4.74,0.875 5.51,1.198 0.771,0.323 10 false SWIL 4.479,1.177 4.656,1.354 0.177,0.177 10 false 24 4.49,0.781 4.667,0.958 0.177,0.177 10 false 16 3.469,1.177 3.563,1.354 0.094,0.177 10 false 6 3.469,0.781 3.563,0.958 0.094,0.177 10 false 9 1.667,1.75 2.021,1.917 0.354,0.167 10 false E111 2.083,1.75 3.781,2.104 1.698,0.354 10 false Engine Switch 4.323,1.688 4.833,1.906 0.51,0.219 10 false E110 4.323,1.854 6.135,2.188 1.813,0.333 10 false Certification ECU (Smart Key ECU Assembly)

PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Entry&Start / Active Test.


e.

Perform the Active Test according to the display on the GTS.

Body Electrical > Entry&Start > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Power/Engine SW Light Engine switch illumination ON or OFF -
Body Electrical > Entry&Start > Active Test
Tester Display
Power/Engine SW Light
50004 125 27
OK:

Engine switch illumination comes on.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>LIGHTING (INT)>LIGHTING SYSTEM>PROBLEM SYMPTOMS TABLE


NG

2.INSPECT ENGINE SWITCH
2.INSPECT ENGINE SWITCH
a.

Remove the engine switch.

Click hereEngine / Hybrid System>2ZR-FE STARTING>ENGINE SWITCH>REMOVAL


b.

Inspect the engine switch.

Click hereEngine / Hybrid System>2ZR-FE STARTING>ENGINE SWITCH>INSPECTION


Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

NG

REPLACE ENGINE SWITCH

Click hereEngine / Hybrid System>2ZR-FE STARTING>ENGINE SWITCH>REMOVAL


3.CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
a.

Disconnect the E110 certification ECU (smart key ECU assembly) connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
E111-9 (SWIL) - E110-16 (SWIL) Always Below 1 Ω
E111-6 (AGND) - E110-24 (AGND) Always Below 1 Ω
E111-9 (SWIL) or E110-16 (SWIL) - Body ground Always 10 kΩ or higher
E111-6 (AGND) or E110-24 (AGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR