LIGHTING (EXT) SERVICE DATA

HEADLIGHT DIMMER SWITCH (for Headlight Dimmer Switch LH Side Type)
Connector Condition Tester Connection Switch Condition Specified Condition
Component without harness connected I126-18 (T) - I126-15 (EL) Light control switch off 10 kΩ or higher
I126-20 (A) - I126-15 (EL)
I126-19 (H) - I126-15 (EL)
I126-18 (T) - I126-15 (EL) Light control switch tail position Below 1 Ω
I126-18 (T) - I126-15 (EL) Light control switch head position Below 1 Ω
I126-19 (H) - I126-15 (EL)
I126-20 (A) - I126-15 (EL) Light control switch AUTO position Below 1 Ω
I126-17 (HF) - I126-15 (EL) Headlight dimmer switch flash position Below 1 Ω
I126-14 (HU) - I126-15 (EL)
I126-14 (HU) - I126-15 (EL) Headlight dimmer switch high position Below 1 Ω
I126-12 (TR) - I126-15 (EL) Turn signal switch neutral position 10 kΩ or higher
I126-11 (TL) - I126-15 (EL)
I126-12 (TR) - I126-15 (EL)

Turn signal switch right turn position

(self cancel condition)

 Below 1 Ω
I126-12 (TR) - I126-15 (EL)

Turn signal switch right turn position

(cancel ratchet operation condition)

 Below 1 Ω
I126-12 (TR) - I126-13 (CR)
I126-13 (CR) - I126-15 (EL)
I126-11 (TL) - I126-15 (EL)

Turn signal switch left turn position

(self cancel condition)

 Below 1 Ω
I126-11 (TL) - I126-15 (EL)

Turn signal switch in left turn position

(cancel ratchet operation condition)

 Below 1 Ω
I126-11 (TL) - I126-13 (CR)
I126-13 (CR) - I126-15 (EL)
I126-9 (BFG) - I126-8 (LFG) Front fog light switch off 10 kΩ or higher
I126-9 (BFG) - I126-8 (LFG) Front fog light switch on Below 1 Ω
I126-9 (BFG) - I126-8 (LFG) Rear fog light switch off 10 kΩ or higher
I126-7 (B) - I126-8 (LFG)
I126-9 (BFG) - I126-8 (LFG) Rear fog light switch on Below 1 Ω
I126-7 (B) - I126-8 (LFG)

Tech Tips


  • The self cancel condition indicates when the turn signal switch returns to the neutral position when releasing your hand from the switch (switch is operated within 7°).

  • The cancel ratchet operation condition indicates the condition when the turn signal switch does not return to the neutral position even when releasing your hand (switch operation is 12°).

HEADLIGHT DIMMER SWITCH (for Headlight Dimmer Switch RH Side Type)
Connector Condition Tester Connection Switch Condition Specified Condition
Component without harness connected I31-13 (T) - I31-16 (EL) Light control switch off 10 kΩ or higher
I31-11 (A) - I31-16 (EL)
I31-12 (H) - I31-16 (EL)
I31-13 (T) - I31-16 (EL) Light control switch tail position Below 1 Ω
I31-13 (T) - I31-16 (EL) Light control switch head position Below 1 Ω
I31-12 (H) - I31-16 (EL)
I31-11 (A) - I31-16 (EL) Light control switch AUTO position Below 1 Ω
I31-14 (HF) - I31-16 (EL) Headlight dimmer switch flash position Below 1 Ω
I31-17 (HU) - I31-16 (EL)
I31-17 (HU) - I31-16 (EL) Headlight dimmer switch high position Below 1 Ω
I31-20 (TR) - I31-16 (EL) Turn signal switch neutral position 10 kΩ or higher
I31-19 (TL) - I31-16 (EL)
12 (TR) - 15 (EL)

Turn signal switch right turn position

(self cancel condition)

 Below 1 Ω
I31-20 (TR) - I31-16 (EL)

Turn signal switch right turn position

(cancel ratchet operation condition)

 Below 1 Ω
I31-20 (TR) - I31-18 (CR)
I31-18 (CR) - I31-16 (EL)
I31-19 (TL) - I31-16 (EL)

Turn signal switch left turn position

(self cancel condition)

 Below 1 Ω
I31-19 (TL) - I31-16 (EL)

Turn signal switch left turn position

(cancel ratchet operation condition)

 Below 1 Ω
I31-19 (TL) - I31-18 (CR)
I31-18 (CR) - I31-16 (EL)
I31-2 (BFG) - I31-3 (LFG) Front fog light switch off 10 kΩ or higher
I31-2 (BFG) - I31-3 (LFG) Front fog light switch on Below 1 Ω
I31-2 (BFG) - I31-3 (LFG) Rear fog light switch off 10 kΩ or higher
I31-4 (B) - I31-3 (LFG)
I31-2 (BFG) - I31-3 (LFG) Rear fog light switch on Below 1 Ω
I31-4 (B) - I31-3 (LFG)

Tech Tips


  • The self cancel condition indicates when the turn signal switch returns to the neutral position when releasing your hand from the switch (switch is operated within 7°).

  • The cancel ratchet operation condition indicates the condition when the turn signal switch does not return to the neutral position even when releasing your hand (switch operation is 12°).

HAZARD WARNING SWITCH
Connector Condition Tester Connection Switch Condition Specified Condition
Component without harness connected 9 (HAZ) - 14 (GND) Hazard warning signal switch off 10 kΩ or higher
Hazard warning signal switch on Below 1 Ω
AUTOMATIC HIGH BEAM MAIN SWITCH
Connector Condition Tester Connection Switch Condition Specified Condition
Component without harness connected I33-1 (+B) - I33-10 (E) Automatic high beam main switch off 10 kΩ or higher
Automatic high beam main switch on Below 1 Ω
STOP LIGHT SWITCH (w/o Dynamic Radar Cruise Control System)
Connector Condition Tester Connection Switch Condition Specified Condition
Component with harness connected A1-2 (L) - A1-3 (GND) Brake pedal not depressed 0 to 1.5 V
A1-2 (L) - A1-3 (GND) Brake pedal depressed 7.5 to 14 V
A1-4 (L) - A1-3 (GND) Brake pedal not depressed 7.5 to 14 V
A1-4 (L) - A1-3 (GND) Brake pedal depressed 0 to 1.5 V
STOP LIGHT SWITCH (w/ Dynamic Radar Cruise Control System)
Connector Condition Tester Connection Switch Condition Specified Condition
Component with harness connected A1-2 (L) - A1-3 (GND) Power switch off, brake pedal not depressed 0 to 1.5 V
A1-2 (L) - A1-3 (GND) Power switch off, brake pedal depressed 7.5 to 14 V
A1-4 (L) - A1-3 (GND) Power switch on (IG), brake pedal not depressed 7.5 to 14 V
A1-4 (L) - A1-3 (GND) Power switch on (IG), brake pedal depressed 0 to 1.5 V
AUTOMATIC LIGHT CONTROL SENSOR
Connector Condition Tester Connection Condition Specified Condition
Component with harness connected J6-4 (CLTS) - J6-2 (CLTE) Power switch on (IG), light control switch in AUTO position Correct waveform is as shown
A01HIEKN01

Tech Tips

The communication waveform changes according to the surrounding brightness.

HEIGHT CONTROL SENSOR
Connector Condition Tester Connection Condition Specified Condition
Component without harness connected R1-2 (SHRR) - R1-1 (SHG) +45° (High) Approx. 4.5 V
0° (Standard position) Approx. 2.25 V
-45° (Low) Approx. 0.5 V
STOP LIGHT CONTROL ECU (for LHD)
Connector Condition Tester Connection Switch Condition Specified Condition
Component with harness connected A3-1 (OUT) - A3-8 (GND) Brake pedal not depressed → pressed Below 0 to 1.5 V → 7.5 to 14 V
A3-5 (STP) - A3-8 (GND) Brake pedal not depressed → pressed Below 0 to 1.5 V → 7.5 to 14 V
STOP LIGHT CONTROL ECU (for RHD)
Connector Condition Tester Connection Switch Condition Specified Condition
Component with harness connected A3-1 (OUT) - A3-8 (GND) Brake pedal not depressed → pressed Below 0 to 1.5 V → 7.5 to 14 V
A3-5 (STP) - A3-8 (GND) Brake pedal not depressed → pressed Below 0 to 1.5 V → 7.5 to 14 V
RELAY (Headlight Dimmer Relay)
Connector Condition Tester Connection Condition Specified Condition
- 3 - 5 Auxiliary battery voltage not applied to terminals 1 and 2 10 kΩ or higher
Auxiliary battery voltage applied to terminals 1 and 2 Below 1 Ω
RELAY (No. 2 Headlight Relay)
Connector Condition Tester Connection Condition Specified Condition
- 3 - 5 Auxiliary battery voltage not applied to terminals 1 and 2 10 kΩ or higher
Auxiliary battery voltage applied to terminals 1 and 2 Below 1 Ω
RELAY (Fog Light Relay)
Connector Condition Tester Connection Condition Specified Condition
- 3 - 5 Auxiliary battery voltage not applied to terminals 1 and 2 10 kΩ or higher
Auxiliary battery voltage applied to terminals 1 and 2 Below 1 Ω
RELAY (Rear Fog Light Relay)
Connector Condition Tester Connection Condition Specified Condition
- 3 - 5 Auxiliary battery voltage not applied to terminals 1 and 2 10 kΩ or higher
Auxiliary battery voltage applied to terminals 1 and 2 Below 1 Ω