RX 300 Lexus + Lexus RX-300 Cars + Governing bodies and operation receptions + Settings and routine maintenance of the car + Engine + Systems of cooling of the engine, heating, ventilation and air conditioning + the Power supply system and production of the fulfilled gases + Systems of electric equipment of the engine + Automatic transmission and interaxal differential + Transmission line - Brake system General information and security measures Removal, installation and check of pedals of brake system Check of brake system via the socket of the module of management Removal and installation of the tank and main brake cylinder (GTTs) Removal, check and installation of the amplifier of brakes Replacement of brake shoes Removal, dismantling, check, assembly and installation of supports of brake mechanisms Dismantling, check and assembly of the parking brake Check of the valve of distribution of brake effort Removal and installation of the activator of brakes Removal and installation of wheel sensors + Suspension bracket and steering + Body + Onboard electric equipment + Schematic diagrams of electric connections
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Check of brake system via the socket of the module of management
The components of brake system interfaced to the control unit
Below the table of checks of brake system by means of measurement of signals on contacts of the socket of the control unit is provided.
Contacts of the socket of the control unit
Contacts
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Color of wires
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Check conditions
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Tension, In
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SRLR (A37-1) <—> GND (A38-6, 31, A39-8, 17)
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B-O <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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AST (A37-6) <—> GND (A38-6, 31, A39-8, 17)
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B-Y <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SRLH (A37 - 7) <—> GND (A38-6, 31, A39-8, 17)
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Y-B <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SFRR (A37 - 8) <—> GND (A38-6, 31, A39-8, 17)
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BR-W <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SMV2 (A37-15) <—> GND (A38-6, 31, A39-8, 17)
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R <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SFRH (A37-16) <—> GND (A38-6, 31, A39-8, 17)
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V-W <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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RLO (A37-18) <—> GND (A38-6, 31, 39-8, 17)
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P-L <—> W-B
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Movement with speed of 20 km/h
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Generation of impulses
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SMV1 (A37-22) <—> GND (A38-6, 31.A39-8, 17)
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W-L <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SMC1 (A38-2) <—> GND (A38-6, 31, A39-8, 17)
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L-Y <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SMC2 (A38-3) <—> GND (A38-6, 31, A39-8, 17)
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G-B <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SRC1 (A38-4) <—> GND (A38-6, 31, A39-8, 17)
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R-Y <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SRC2 (A38-5) <—> GND (A38-6, 31, A39-8, 17)
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GR-R <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SFLR (A38-7) <—> GND (A38-6, 31, A39-8, 17)
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R-B <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SRRH (A38-8) <—> GND (A38-6, 31, A39-8, 17)
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BR-Y <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SRRR (A38-9) <—> GND (A38-6, 31, A39-8, 17)
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GR-L <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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VCM (A38-10) <—> GND (A38-6, 31, A39-8, 17)
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B <—> W-B
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Ignition is included
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4.5 ÷ 5.5
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FR + (A38-14) <—> FR-(A38-13)
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V <—> P
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Ignition is included, slowly rotate a forward right wheel
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Generation of an alternating current
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FL + (A38-16) <—> FL-(A38-15)
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LG <—> L
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Ignition is included, slowly rotate a forward left wheel
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Generation of an alternating current
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SR (A38-19) <—> R + (A38-1)
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Y-G <—> GR
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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SFLH (A38-21) <—> GND (A38-6, 31, A39-8, 17)
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G <—> W-B
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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PMC (A38-22) <—> E2 (A38-23)
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W <—> R
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Ignition is included, To/l ABS does not burn
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0.3 ÷ 0.7
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E2 (A38-23) <—> GND (A38-6, 31, A39-8, 17)
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R <—> W-B
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Ignition is switched off
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Conductivity
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FSS (A38-24) <—> GND (A38-6, 31, A39-8, 17)
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The screen <—> W-B
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Ignition is switched off
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Conductivity
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MT (A38-28) <—> GND (A38-6, 31, A39-8, 17)
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LG-B <—> W-B
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Ignition is included (the relay э / the motor switched off)
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Below 1.5
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MR (A38-29) <—> GND (A38-6, 31, A39-8, 17)
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B-W <—> W-B
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Ignition is included, э / the ABS motor is stopped
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10 ÷ 14
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VGS (A39-1) <—> GGND (A39-10)
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R <—> B
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Ignition is included
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4.5 ÷ 5.5
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GL1 (A39-2) <—> GGND (A39-10)
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W <—> B
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Ignition is included, the car is on a horizontal platform
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2 ÷ 3
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Tc (A39-3) <—> GND (A38-6, 31, A39-8, 17)
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P-B <—> W-B
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Ignition is included
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10 ÷ 14
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Ts (A39-4) <—> GND (A38-6, 31, A39-8, 17)
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W-L <—> W-B
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Ignition is included
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10 ÷ 14
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IG1 (A39-6) <—> GND (A38-6, 31, A39-8, 17)
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B-R <—> W-B
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Ignition is included
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10 ÷ 14
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NEO (A39-7) <—> GND (A38-6, 31, A39-8, 17)
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L-O <—> W-B
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Idling
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Generation of impulses
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GL2 (A39-9) <—> GGND (A39-10)
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G <—> B
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Ignition is included, the car is on an equal platform
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2.0 ÷ 3.0
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GGND (A39-10) <—> GND (A38-6, 31, A39-8, 17)
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B <—> W-B
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Ignition is switched off
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Conductivity
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RR + (A39-11) <—> RR-(A39-12)
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GR-R <—> L
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Ignition is included, slowly rotate a back right wheel
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Generation of an alternating current
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ENG + (A39-14) <—> ENG-(A39-22)
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R-Y <—> BR-W
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Ignition is included, idling
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Generation of impulses
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GSS (A39-18) <—> GND (A38-6, 31, A39-8, 17)
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The screen <—> W-B
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Ignition is switched off
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Conductivity
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RL + (A39-19) <—> RL-(A39-20)
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L-Y <—> L-W
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Ignition is included, slowly rotate a back left wheel
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Generation of an alternating current
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PKB (A39-15) <—> GND (A38-6, 31, A39-8, 17)
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R-L <—> W-B
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Ignition is included, the parking brake is cocked
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Below 2.0
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Ignition is included, the parking brake is released
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10 ÷ 14
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TRC + (A39-24) <—> TRC-(A39-16)
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GR <—> P-B
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Ignition is included, idling
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Generation of impulses
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BRL (A40-1) <—> GND (A38-6, 31, A39-8, 17)
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G <—> W-B
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Ignition is included, liquid level in GTTs is higher than "MIN" label, the parking brake is released
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10 ÷ 14
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RRO (A40-3) <—> GND (A38-6, 31, A39-8, 17)
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V <—> W-B
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Movement with speed of 20 km/h
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Generation of impulses
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VSCW (A 40-4) <—> GND (A 38-6, 31, A 39-8, 17)
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W-G <—> W-B
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Ignition is included, burns To/l VSC
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Below 2.0
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Ignition is included, To/l VSC does not burn
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10 ÷ 14
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WA (A40-5) <—> GND (A38–6, 31, A39-8, 17)
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B-Y <—> W-B
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Ignition is included, burns To/l ABS
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Below 2.0
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Ignition is included, To/l ABS does not burn
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10 ÷ 14
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IND (A40-6) <—> GND (A38-6, 31, A39-8, 17)
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W-L <—> W-in
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Ignition is included, the indicator of existence of pro-slipping burns
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Below 2.0
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Ignition is included, the indicator of existence of pro-slipping does not burn
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10 ÷ 14
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Contacts
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Color of wires
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Check conditions
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Tension, In
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STP (A40-7) <—> GND (A38-6, 31, A39-8, 17)
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G-<<—> W-in
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Stoplights do not burn
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Below 1.5
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Stoplights burn
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8 ÷ 14
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VYS (A40-9) <—> GYAW (A40-27)
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R-L <—> R-W
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Ignition is included
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4.5 ÷ 5.5
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LBL (A40-11) <—> GND (A38-6, 31, A39-8, 17)
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R-W <—> W-B
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Ignition is included, liquid level in GTTs is higher than "MIN" label
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About 4 ÷ 8
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SS1 + (A40-14) <—> SS1-(A40-23)
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LG-B <—> LG
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Idling, slowly turn a steering wheel
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Generation of impulses
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R (A40-15) <—> GND (A38-6, 31, A39-8, 17)
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R-B <—> W-B
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Ignition is included, the AT selector lever in the provision of "R"
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8 ÷ 14
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Ignition is included, the AT selector lever in situation, distinct from "R"
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Below 1.5
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SP1 (A40-16) <—> GND (A38-6, 31, A39-8, 17)
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R-B <—> W-B
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Movement with speed of 20 km/h
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Generation of impulses
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YSS (A40-18) <—> GND (A38-6, 31, A39-8, 17)
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The screen <—> W-B
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Ignition is switched off
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Conductivity
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YD (A40-19) <—> GND (A38-6, 31, A39-8, 17)
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W-R <—> W-B
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Ignition is included, To/l VSC does not burn
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4.5 ÷ 5.5
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BZ (A40-20) <—> GND (A38-6, 31, A39-8, 17)
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G-O <—> W-B
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Ignition is included, VSC buzzer works
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Below 1.0 <—> 10 ÷ 14
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Ignition is included, the buzzer of VSC does not sound
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10 ÷ 14
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D (A40-22) <—> GND (A38-6, 31, A39-8, 17)
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GR <—> W-B
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Ignition is included, the AT selector lever in situation "D"
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8 ÷ 14
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Ignition is included, the AT selector lever in situation, distinct from "D"
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Below 1.5
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P (A40-24) <—> GND (A38-6, 31, A39-8, 17)
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G-W <—> W-in
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Ignition is included, the AT selector lever in the situation "P"
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8 ÷ 14
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Ignition is included, the AT selector lever in situation, distinct from "P"
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Below 1.5
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D/G (A40-25) <—> GND (A38-6, 31, A39-8, 17)
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W <—> W-B
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Ignition is included
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10 ÷ 14
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GYAW (A40-27) <—> GND (A38-6, 31, A39-8, 17)
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R-W <—> W-B
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Ignition is switched off
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Conductivity
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YAW (A40-28) <—> GYAW (A40-27)
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B <—> R-W
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Ignition is included, the car in stationary conditions
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2 ÷ 3
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