2003 LEXUS LS430 brake sensor

Fig. 79: Identifying Speed Sensor Rear LH Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
27.INSTALL REAR AXLE SHAFT NUT
a. While applying brakes, use a socket wrench (32 mm) to install the nut.
Torque: 290 N.m, (2,960 kgf.cm, 214 ft.lbf)
b. Install the lock cap and a new cotter pin.
If the holes for the cotter pin are not ali
gned, tighten the nut a further 10°.

The procedures listed below are for the LH side.
1.REMOVE REAR TIRE
2.SEPARATE HEIGHT CONTROL SENSOR LINK SUB-ASSY REAR (See REPLACEMENT
)
3.REMOVE REAR AXLE SHAFT NUT (See REPLACEMENT
)
4.REMOVE REAR DISC BRAKE CALIPER ASSY LH (See REPLACEMENT
)
5.REMOVE REAR DISC
6.SEPARATE SPEED SENSOR REAR LH (See REPLACEMENT
)
7.REMOVE PARKING BRAKE SHOE RETURN TENSION SPRING (See step 5 on OVERHAUL
)
SST 09703-30010
8.REMOVE PARKING BRAKE SHOE ADJUSTING SCREW SET (See OVERHAUL
)
9.REMOVE PARKING BRAKE SHOE ASSY LH NO. 1 (See step 6 on OVERHAUL
)
SST 09718-00010
10.REMOVE PARKING BRAKE SHOE ASSY LH NO. 2 (See step 7 on OVERHAUL
)
SST 09718-00010
11.REMOVE PARKING BRAKE SHOE LEVER SUB-ASSY LH (See step 10 on OVERHAUL
)
12.REMOVE PARKING BRAKE CABLE ASSY NO. 3 (See step 11 on REPLACEMENT
)
13.REMOVE PARKING BRAKE ANCHOR BLOCK SUB-ASSY (See step 13 on OVERHAUL
)
14.SEPARATE TOE CONTROL LINK SUB-ASSY LH
a. Remove the nut.
b. Using SST, disconnect the toe control link LH from the rear axle carrier.
SST 09628-00011

Fig. 100: Tightening Upper Control Arm Assy Rear LH Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
31.INSTALL HEIGHT CONTROL SENSOR LINK SUB-ASSY REAR (See REPLACEMENT
)
32.APPLY HIGH TEMPERATURE GREASE (See step 15 on OVERHAUL
)
33.INSTALL PARKING BRAKE ANCHOR BLOCK SUB-ASSY (See OVERHAUL
)
34.INSTALL PARKING BRAKE CABLE ASSY NO. 3 (See step 12 on REPLACEMENT
)
35.INSTALL PARKING BRAKE SHOE LEVER SUB-ASSY LH (See step 15 on OVERHAUL
)
36.INSTALL PARKING BRAKE SHOE ASSY LH NO. 2 (See step 17 on OVERHAUL
)
SST 09718-00010
37.INSTALL PARKING BRAKE SHOE ASSY LH NO. 1 (See step 16 on OVERHAUL
)
SST 09718-00010
38.INSTALL PARKING BRAKE SHOE ADJUSTING SCREW SET (See OVERHAUL
)
39.INSTALL PARKING BRAKE SHOE RETURN TENSION SPRING (See step 18 on
OVERHAUL
)
SST 09703-30010
40.CHECK PARKING BRAKE INSTALLATION (See step 19 on OVERHAUL
)
41.CHECK PARKING BRAKE PEDAL TRAVEL (See step 4 on ADJUSTMENT
)

42.ADJUST PARKING BRAKE PEDAL TRAVEL (See step 5 on ADJUSTMENT )
43.INSTALL SPEED SENSOR REAR LH
a. Install the speed sensor with the bolt.
Torque: 8.0 N.m (82 kgf.cm, 71 in.lbf)
44.INSTALL REAR DISC (See step 16 on OVERHAUL
)
45.ADJUST PARKING BRAKE SHOE CLEARANCE (See step 21 on OVERHAUL
)
46.INSTALL REAR DISC BRAKE CALIPER ASSY LH (See step 20 on REPLACEMENT
)
47.INSTALL REAR AXLE SHAFT NUT (See REPLACEMENT
)
48.INSPECT AXLE HUB BEARING LOOSENESS (See ON
-VEHICLE INSPECTION )
49.INSPECT AXLE HUB BEARING RUNOUT (See ON
-VEHICLE INSPECTION )
50.STABILIZE SUSPENSION (See step 23 on REPLACEMENT
)
51.FULLY TIGHTEN SHOCK ABSORBER ASSY REAR LH
a. Fully tighten the shock absorber assy LH with the new nut.
Torque: 70 N.m (714 kgf.cm, 52 ft.lbf)
52.INSTALL REAR TIRE
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
53.ADJUST VEHICLE HEIGHT (W/ AIR SUSPENSION) (See ON
-VEHICLE INSPECTION )
54.INSPECT HEADLIGHT AIM ONLY (See ADJUSTMENT
)
55.INSPECT AND ADJUST REAR WHEEL ALIGNMENT (See ADJUSTMENT
)
56.CHECK ABS SPEED SENSOR SIGNAL (See TEST MODE PROCEDURE
)
REPLACEMENT
HINT:
See COMPONENTS
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1.REMOVE REAR TIRE
2.REMOVE REAR DISC BRAKE CALIPER ASSY LH (See REPLACEMENT
)
3.REMOVE REAR DISC (See step 15 on OVERHAUL
)
4.REMOVE REAR AXLE LH HUB BOLT
a. Using SST and a screwdriver or an equivalent to hold, remove the hub bolt.
SST 09628-10011

ANTI-LOCK BRAKE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
DTC B1863/64 SHORT IN KNEE AIRBAG (D SIDE) SQUIB
CIRCUIT (TO B+)
DTC B1865/65 SHORT IN KNEE AIRBAG (P SIDE) SQUIB
CIRCUIT
DTC B1866/65 OPEN IN KNEE AIRBAG (P SIDE) SQUIB
CIRCUIT
DTC B1867/65 SHORT IN KNEE AIRBAG (P SIDE) SQUIB
CIRCUIT (TO GROUND)
DTC B1868/65 SHORT IN KNEE AIRBAG (P SIDE) SQUIB
CIRCUIT (TO B+)
DTC B1901/73 OPEN IN FRONT P/T SQUIB (RH) CIRCUIT
DTC B1902/73 SHORT IN FRONT P/T SQUIB (RH) CIRCUIT
(TO GROUND)
DTC B1903/73 SHORT IN FRONT P/T SQUIB (RH) CIRCUIT
(TO B+)
DTC B1905/74 SHORT IN FRONT P/T SQUIB (LH) CIRCUIT
DTC B1906/74 OPEN IN FRONT P/T SQUIB (LH) CIRCUIT
DTC B1907/74 SHORT IN FRONT P/T SQUIB (LH) CIRCUIT
(TO GROUND)
DTC B1908/74 SHORT IN FRONT P/T SQUIB (LH) CIRCUIT
(TO B+)
DTC B1920/77 SHORT IN REAR P/T SQUIB (RH) CIRCUIT
DTC B1921/77 OPEN IN REAR R/T SQUIB (RH) CIRCUIT
DTC B1922/77 SHORT IN REAR R/T SQUIB (RH) CIRCUIT (TO
GROUND)
DTC B1923/77 SHORT IN REAR P/T SQUIB (RH) CIRCUIT (TO
B+)
DTC B1925/78 SHORT IN REAR P/T SQUIB (LH) CIRCUIT
DTC B1926/78 OPEN IN REAR P/T SQUIB (LH) CIRCUIT
DTC B1927/78 SHORT IN REAR P/T SQUIB (LH) SIRCUIT (TO
GROUND)
DTC B1928/78 SHORT IN REAR P/T SQUIB (LH) CIRCUIT (TO
B+)
DTCDescription
DTC C0200/31, C0205/32 RIGHT/LEFT FRONT SPEED SENSOR
DTC C0210/33, C0215/34 RIGHT/LEFT REAR SPEED SENSOR
DTC C0226/21, C0236/22, C0246/23, C0256/24,
C1225/25
SFR/SFL/SRR/SRL/SM SOLENOID CIRCUIT
DTC C0273/13, C0274/14, C1361/91 OPEN CIRCUIT IN ABS MOTOR RELAY

AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
CIRCUIT, B+ SHORT CIRCUIT IN ABS MOTOR
RELAY CIRCUIT, SHORT CIRCUIT IN ABS
MOTOR FAIL SAFE RELAY CIRCUIT
DTC C0278/11, C0279/12 OPEN/SHORT CIRCUIT IN ABS SOLENOID
RELAY CIRCUIT
DTC C1201/51 ENGINE CONTROL SYSTEM MALFUNCTION
DTC C1203/53 ECM COMMUNICATION CIRCUIT
MALFUNCTION
DTC C1210/36, C1336/39 ZERO POINT CALIBRATION OF YAW
RATE/DECELERATION SENSOR UNDONE
DTC C1223/43 ABS CONTROL SYSTEM MALFUNCTION
DTC C1231/31 MALFUNCTION IN STEERING ANGLE
SENSOR CIRCUIT
DTC C1232/32, C1234/34, C1243/43, C1244/44,
C1245/45, C1381/97
MALFUNCTION IN DECELERATION/YAW
RATE SENSOR, OPEN OR SHORT IN
DECELERATION SENSOR CIRCUIT,
MALFUNCTION IN POWER SUPPLY VOLTAGE
YAW/DECELERATION SENSOR
DTC C1235/35, C1236/36, C1238/38, C1239/39 FOREIGN MATTER IS ATTACHED ON TIP OF
RIGHT/LEFT FRONT/REAR SENSOR
DTC C1241/41 LOW BATTERY POSITIVE VOLTAGE
DTC C1246/46 MALFUNCTION IN MASTER CYLINDER
PRESSURE SENSOR
DTC C1249/49 OPEN CIRCUIT IN STOP LIGHT SWITCH
CIRCUIT
DTC C1251/51 PUMP MOTOR IS LOCKED/OPEN CIRCUIT IN
PUMP MOTOR GROUND
DTC C1267/67 Brake Pedal Load Sensing Switch
DTCDescription
DTC P0705, P0850 TRANSMISSION RANGE SENSOR CIRCUIT
MALFUNCTION (PRNDL INPUT),
PARK/NEUTRAL SWITCH INPUT CIRCUIT
DTC P0710, P0712, P0713 TRANSMISSION FLUID TEMPERATURE
SENSOR "A" CIRCUIT LOW/HIGH INPUT
DTC P0711 TRANSMISSION FLUID TEMPERATURE
SENSOR "A" PERFORMANCE
DTC P0717 TURBINE SPEED SENSOR CIRCUIT NO
SIGNAL
DTC P0724 BRAKE SWITCH "B" CIRCUIT HIGH
DTC P0729 GEAR 6 INCORRECT RATIO

BASE CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
DYNAMIC LASER CRUISE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
MALFUNCTION
DTC B2235 FRONT RIGHT SENSOR MALFUNCTION
DTC B2236 FRONT RIGHT SIDE SENSOR MALFUNCTION
DTC B2237 REAR LEFT SENSOR MALFUNCTION
DTC B2238 REAR LEFT CENTER SENSOR MALFUNCTION
DTC B2239 REAR RIGHT CENTER SENSOR
MALFUNCTION
DTC B2241 REAR RIGHT SENSOR MALFUNCTION
DTCDescription
DTC P0500 VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION
DTC P0503 VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION
DTC P0571 STOP LIGHT SWITCH CIRCUIT MALFUNCTION
DTC P0607 INPUT SIGNAL CIRCUIT MALFUNCTION
DTCDescription
DTC P0500, DTC
P0503
VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION
DTC P0571 STOP LIGHT SWITCH CIRCUIT MALFUNCTION
DTC P0607 INPUT SIGNAL CIRCUIT MALFUNCTION
DTC P1615, DTC
U1101
COMMUNICATION ERROR FROM DISTANCE CONTROL ECU TO
ECM
DTC P1616, DTC
U0100
COMMUNICATION ERROR FROM ECM TO DISTANCE CONTROL
ECU
DTC P1617 DISTANCE CONTROL ECU MALFUNCTION
DTC P1630, DTC
U0122
COMMUNICATION ERROR FROM VSC TO ECM
DTC P1631, DTC
U0100
COMMUNICATION ERROR FROM ECM TO VSC
DTC P1575 WARNING BUZZER MALFUNCTION
DTC P1578 BRAKE SYSTEM MALFUNCTION
DTC U0235 LOST COMMUNICATION WITH CRUISE CONTROL FRONT
DISTANCE RANGE SENSOR
DTC U1102 LOST COMMUNICATION WITH RADAR SENSOR
DTC P1570 RADAR SENSOR MALFUNCTION
DTC P1572 IMPROPER AIMING OF RADAR SENSOR BEAM AXIS

DYNAMIC RADAR CRUISE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
DOOR CLOSER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
ELECTRONIC AIR SUSPENSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
DTC U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE
DTC U0123 LOST COMMUNICATION WITH YAW RATE SENSOR MODULE
DTCDescription
DTC P0500, DTC P0503 VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION
DTC P0571 STOP LIGHT SWITCH CIRCUIT MALFUNCTION
DTC P0607 INPUT SIGNAL CIRCUIT MALFUNCTION
DTC P1615, DTC U1101 COMMUNICATION ERROR FROM DISTANCE CONTROL ECU
TO ECM
DTC P1616, DTC U0100 COMMUNICATION ERROR FROM ECM TO DISTANCE
CONTROL ECU
DTC P1617 DISTANCE CONTROL ECU MALFUNCTION
DTC P1630, DTC U0122 COMMUNICATION ERROR FROM VSC TO ECM
DTC P1631, DTC U0100 COMMUNICATION ERROR FROM ECM TO VSC
DTC P1575 WARNING BUZZER MALFUNCTION
DTC P1578 BRAKE SYSTEM MALFUNCTION
DTC U0235 LOST COMMUNICATION WITH CRUISE CONTROL FRONT
DISTANCE RANGE SENSOR
DTC U1102 LOST COMMUNICATION WITH RADAR SENSOR
DTC P1572 IMPROPER AIMING OF RADAR SENSOR BEAM AXIS
DTC U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR
MODULE
DTC U0123 LOST COMMUNICATION WITH YAW RATE SENSOR MODULE
DTCDescription
DTC B2211 DOOR CLOSER MOTOR MALFUNCTION ON DRIVER SIDE DOOR
DTC B2212 DOOR CLOSER MOTOR MALFUNCTION ON PASSENGER SIDE DOOR
DTC B2213 DOOR CLOSER MOTOR MALFUNCTION ON REAR RIGHT SIDE
DOOR
DTC B2214 DOOR CLOSER MOTOR MALFUNCTION ON REAR LEFT SIDE DOOR
DTCDescription
DTC C1711, DTC C1712, DTC C1713, DTC RIGHT FRONT HEIGHT CONTROL SENSOR