LIGHTING (EXT) LIGHTING SYSTEM(w/o Headlight ECU) Turn Signal Switch Circuit

DESCRIPTION

The steering sensor*1 or combination switch ECU sub-assembly*2 receives the turn signal switch information and controls the turn signal lights.

*1: w/ VSC

*2: w/o VSC

WIRING DIAGRAM

for LHD

5.031,4.802 6.75,5.188 1.719,0.385 10 false Turn Signal Switch 0.25,4.802 2.563,5.052 2.313,0.25 10 false Steering Sensor*1 3.094,4.792 4.063,5.406 0.969,0.615 10 false Steering Wheel Switch Housing 0.333,1.906 0.552,2.167 0.219,0.26 10 false IC 1.469,0.615 1.76,0.854 0.292,0.24 10 false 5 V 2.625,2.198 2.917,2.438 0.292,0.24 10 false TR 2.635,2.865 2.927,3.104 0.292,0.24 10 false TL 2.615,3.531 2.906,3.771 0.292,0.24 10 false CR 2.625,4.188 2.917,4.427 0.292,0.24 10 false EL 4.302,2.219 4.594,2.458 0.292,0.24 10 false TR 4.302,2.865 4.594,3.104 0.292,0.24 10 false TL 4.281,3.521 4.573,3.76 0.292,0.24 10 false CR 4.302,4.177 4.594,4.417 0.292,0.24 10 false EL 4.323,1.792 5.583,2.063 1.26,0.271 10 false Turn Signal Switch 5.281,1.583 5.438,1.792 0.156,0.208 10 false L 5.281,1.385 5.438,1.594 0.156,0.208 10 false L' 5.271,0.99 5.427,1.198 0.156,0.208 10 false R' 5.271,1.177 5.427,1.385 0.156,0.208 10 false N 5.271,0.781 5.427,0.99 0.156,0.208 10 false R 5.615,0.604 5.906,0.844 0.292,0.24 10 false TR 5.99,0.604 6.281,0.844 0.292,0.24 10 false TL 6.313,0.604 6.604,0.844 0.292,0.24 10 false CR 6.677,0.604 6.969,0.844 0.292,0.24 10 false EL 2.969,4.271 3.188,4.531 0.219,0.26 10 false z7 2.969,3.625 3.188,3.885 0.219,0.26 10 false z7 2.979,2.958 3.198,3.219 0.219,0.26 10 false z7 2.979,2.313 3.198,2.573 0.219,0.26 10 false z7 3.01,2.115 3.302,2.354 0.292,0.24 10 false 8 3.021,2.781 3.313,3.021 0.292,0.24 10 false 9 2.969,3.438 3.26,3.677 0.292,0.24 10 false 10 2.969,4.094 3.26,4.333 0.292,0.24 10 false 13 4.01,2.125 4.302,2.365 0.292,0.24 10 false 9 3.979,2.313 4.198,2.573 0.219,0.26 10 false z9 3.979,2.969 4.198,3.229 0.219,0.26 10 false z9 3.969,3.625 4.188,3.885 0.219,0.26 10 false z9 3.979,4.281 4.198,4.542 0.219,0.26 10 false z9 4.021,2.781 4.313,3.021 0.292,0.24 10 false 3 3.958,3.438 4.25,3.677 0.292,0.24 10 false 11 3.969,4.094 4.26,4.333 0.292,0.24 10 false 12 0.229,5.083 2.938,5.271 2.708,0.188 10 false Combination Switch ECU Sub-assembly*2 0.26,5.49 2.969,5.677 2.708,0.188 10 false *1: w/ VSC 1.271,5.479 3.979,5.667 2.708,0.188 10 false *2: w/o VSC

for RHD

5.031,4.802 6.75,5.188 1.719,0.385 10 false Turn Signal Switch 0.26,4.792 2.573,5.042 2.313,0.25 10 false Steering Sensor*1 3.094,4.792 4.063,5.406 0.969,0.615 10 false Steering Wheel Switch Housing 0.333,1.906 0.552,2.167 0.219,0.26 10 false IC 1.469,0.615 1.76,0.854 0.292,0.24 10 false 5 V 2.625,2.198 2.917,2.438 0.292,0.24 10 false TR 2.635,2.865 2.927,3.104 0.292,0.24 10 false TL 2.615,3.531 2.906,3.771 0.292,0.24 10 false CR 2.625,4.188 2.917,4.427 0.292,0.24 10 false EL 4.302,2.219 4.594,2.458 0.292,0.24 10 false TR 4.302,2.865 4.594,3.104 0.292,0.24 10 false TL 4.281,3.521 4.573,3.76 0.292,0.24 10 false CR 4.302,4.177 4.594,4.417 0.292,0.24 10 false EL 4.323,1.792 5.583,2.063 1.26,0.271 10 false Turn Signal Switch 5.281,1.583 5.438,1.792 0.156,0.208 10 false L 5.281,1.385 5.438,1.594 0.156,0.208 10 false L' 5.271,0.99 5.427,1.198 0.156,0.208 10 false R' 5.271,1.177 5.427,1.385 0.156,0.208 10 false N 5.271,0.781 5.427,0.99 0.156,0.208 10 false R 5.615,0.604 5.906,0.844 0.292,0.24 10 false TR 5.99,0.604 6.281,0.844 0.292,0.24 10 false TL 6.313,0.604 6.604,0.844 0.292,0.24 10 false CR 6.677,0.604 6.969,0.844 0.292,0.24 10 false EL 2.969,4.271 3.188,4.531 0.219,0.26 10 false z7 2.969,3.625 3.188,3.885 0.219,0.26 10 false z7 2.979,2.958 3.198,3.219 0.219,0.26 10 false z7 2.979,2.313 3.198,2.573 0.219,0.26 10 false z7 3.01,2.115 3.302,2.354 0.292,0.24 10 false 8 3.021,2.781 3.313,3.021 0.292,0.24 10 false 9 2.969,3.438 3.26,3.677 0.292,0.24 10 false 10 2.969,4.094 3.26,4.333 0.292,0.24 10 false 13 4.01,2.125 4.302,2.365 0.292,0.24 10 false 8 3.979,2.313 4.198,2.573 0.219,0.26 10 false z9 3.979,2.969 4.198,3.229 0.219,0.26 10 false z9 3.969,3.625 4.188,3.885 0.219,0.26 10 false z9 3.979,4.281 4.198,4.542 0.219,0.26 10 false z9 3.958,2.781 4.25,3.021 0.292,0.24 10 false 14 4.01,3.438 4.302,3.677 0.292,0.24 10 false 6 4.031,4.094 4.323,4.333 0.292,0.24 10 false 5 0.26,5.094 3.083,5.344 2.823,0.25 10 false Combination Switch ECU Sub-assembly*2 4.333,5.167 7.156,5.417 2.823,0.25 10 false *1: w/ VSC 4.333,5.448 7.156,5.698 2.823,0.25 10 false *2: w/o VSC

PROCEDURE

1.READ VALUE 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: Chassis / Steering Angle Sensor / Data List.

e.

Read the Data List according to the display on the GTS.

Chassis > Steering Angle Sensor > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Turn Signal Switch (Right)	Turn signal switch (right turn position) signal	OFF or ON	OFF: Turn signal switch not in right turn position ON: Turn signal switch in right turn position	-
Turn Signal Switch (Left)	Turn signal switch (left turn position) signal	OFF or ON	OFF: Turn signal switch not in left turn position ON: Turn signal switch in left turn position	-
Cornering Light/Front Side Illuminate Light Switch	Turn signal switch (full turn) signal	OFF or ON	OFF: Turn signal switch not in left or right full turn position ON: Turn signal switch in left or right full turn position	-