2003 LEXUS LS430 lock

FBL+ (A21-6) -
FBL- (A21-16)G-W - G-
OSuspension control
actuator (FL)IG switch ONBelow 1
ohms
SLRL (A21-7) -
GND (A20-4)P-L - W-BHeight control solenoid
valve (RL)IG switch ONBelow 1 V
SLRL (A21-7) -
GND (A20-4)P-L - W-BHeight control solenoid
valve (RL)Engine idling, height control switch
from "NORM" to "HIGH" or
reverse
8 V or more
SLRR (A21-8) -
GND (A20-4)P - W-BHeight control solenoid
valve (RR)IG switch ONBelow 1 V
SLRR (A21-8) -
GND (A20-4)P - W-BHeight control solenoid
valve (RR)Engine idling, height control switch
from "NORM" to "HIGH" or
reverse
8 V or more
RM+ (A21-17) -
GND (A20-4)BR-Y - W-
BMotor lock (+)
Engine idling, height control switch
from "NORM" to "HIGH" during
compressor operation
Below 1 V
RM- (A21-18) -
GND (A20-4)BR-B - W-
BMotor lock (-)AlwaysBelow 1
ohms
SHR2 (A21-19) -
GND (A20-4)W - W-BHeight control sensor
(HID rear)IG switch ON0.5 to 4.5 V
SHFR (A21-20) -
GND (A20-4)B-W - W-
BHeight control sensor
(FR)IG switch ON0.5 to 4.5 V
SHFR (A21-20) -
GND (A20-4)B-W - W-
BHeight control sensor
(FR)Engine idling, height control switch
"NORM"Approx. 2.5
V
SHF2 (A21-21) -
GND (A20-4)V-G - W-BHeight control sensor
(HID front)IG switch ON0.5 to 4.5 V
SHFL (A21-22) -
GND (A20-4)L - W-BHeight control sensor
(FL)IG switch ON0.5 to 4.5 V
SHFL (A21-22) -
GND (A20-4)L - W-BHeight control sensor
(FL)Engine idling, height control switch
"NORM"Approx. 2.5
V
SBL3 (A21-23) -
GND (A20-4)B - W-BHeight control sensor
power source (HID)IG switch ON4.5 to 5.5 V
SGL3 (A21-24) -
GND (A20-4)V-Y - W-BHeight control sensor
ground (HID)AlwaysBelow 1
ohms
RAR+ (A22-2) -
RAR- (A22-3)Y - SBSuspension control
actuator (RR)IG switch ONBelow 1
ohms
RBR+ (A22-4) -
RBR- (A22-5)LG - PSuspension control
actuator (RR)IG switch ONBelow 1
ohms
RAL+ (A22-6) -
RAL- (A22-7)L - GSuspension control
actuator (RL)IG switch ONBelow 1
ohms
RBL+ (A22-8) -
RBL- (A22-9)O - BRSuspension control
actuator (RLIG switch ONBelow 1
ohms
SGR3 (A22-12) -
GND (A20-4)W - W-BAcceleration sensor
ground (rear)AlwaysBelow 1
ohms
SBR3 (A22-15) -
GND (A20-4)R - W-BAcceleration sensor
power source (rear)IG switch ON4.5 to 5.5 V

POWER SOURCE CIRCUIT ) is displayed, carry out the necessary inspection. If they are output at the
same time, carry out the necessary inspection for DTC C1774 first.
NG: REPAIR CIRCUIT INDICATED BY OUTPUT CODE
OK:Go to next step
2.PERFORM ACTIVE TEST BY HAND-HELD TESTER
a. Connect the hand-held tester to the DLC3.
b. Turn the ignition switch to the ON position and turn the hand-held tester main switch on.
c. Select the item below in the ACTIVE TEST and operate it with the hand-held tester.
VEHICLE CONDITION / TEST DETAILS
d. Check the operation sound of the AIR SUS relay when operating it with the hand-held tester.
OK:
The operation sound of the AIR SUS relay can be heard.
NG: Go to step 3
OK: REPLACE SUSPENSION CONTROL ECU (SEE REPLACEMENT
)
3.INSPECT AIR SUS RELAY
a. Remove the AIR SUS relay from the fusible link block.
b. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION
NG: REPLACE AIR SUS RELAY
OK:Go to next step
Item
Vehicle Condition / Test
Details
Diagnostic Note
MOTOR RELAYAIR SUS relay / ON or OFFOperation of solenoid (clicking sound) can
be heard
Tester ConnectionSpecified Condition
1 - 210 Kohms higher
1 - 2Below 1 ohms (When battery voltage is applied to terminals 3 and 4)

Fig. 89: Identifying Fusible Link Block Side Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK:Go to next step
5.CHECK HARNESS AND CONNECTOR (AIR SUS RELAY - BODY GROUND) (SEE
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
)
a. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION
Tester ConnectionSpecified Condition
4 (for AIR SUS relay) - Body groundBelow 1 ohms

Fig. 95: Identifying Height Control Compressor Motor Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK:Go to next step
5.CHECK HARNESS AND CONNECTOR (HEIGHT CONTROL COMPRESSOR MOTOR - AIR
SUS RELAY) (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE
)
a. Disconnect the AIR SUS relay from the fusible link block.
b. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION
Tester ConnectionSpecified Condition
1 (B) - 2 (for AIR SUS relay)Below 1 ohms
1 (B) - Body ground10 Kohms or higher

Fig. 52: Removing Navigation Antenna Assy Screws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
HINT:
See COMPONENTS .
Installation is in the reverse order of removal.
1.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 on
REPLACEMENT
)
2.REMOVE CONSOLE PANEL SUB-ASSY UPPER (See step 38 on REPLACEMENT
)
3.REMOVE CIGARETTE LIGHTER ASSY
a. Rotate the socket cap counterclockwise to remove it.
b. Remove the cigarette lighter assy from the cigar-lighter hole bezel.

Fig. 53: Removing Cigarette Lighter Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.INSTALL CIGARETTE LIGHTER ASSY
a. Properly position the socket and ring at the cutout of the cigar-lighter hole bezel and insert them.
b. Rotate the socket cap clockwise from the backside.
REPLACEMENT
HINT:
See COMPONENTS .
Installation is in the reverse order of removal.
1.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 on
REPLACEMENT
)
2.REMOVE CONSOLE PANEL SUB-ASSY UPPER (See step 38 on REPLACEMENT
)
3.REMOVE INSTRUMENT PANEL CUP HOLDER ASSY (See REPLACEMENT
)

Fig. 55: Removing Cigarette Lighter Cover Rear Claws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.REMOVE CIGARETTE LIGHTER ASSY REAR
a. Turn the socket counterclockwise as shown in the illustration.
b. Disengage the claw between the socket and the cigarette lighter bezel stay, and push out the socket.
c. Align the socket with the notch on the cigarette lighter bezel stay, and remove the cigarette lighter
ass
y.

1.REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY CENTER (See step 31 on
REPLACEMENT
)
2.REMOVE INSTRUMENT PANEL CUP HOLDER ASSY (See REPLACEMENT
)
3.REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (See step 39 on REPLACEMENT
)
4.REMOVE CONSOLE BOX CARPET (See step 40 on REPLACEMENT
)
5.REMOVE REAR CONSOLE ARMREST ASSY (See step 41 on REPLACEMENT
)
6.REMOVE POWER OUTLET SOCKET ASSY CTR
a. Turn the socket counterclockwise as shown in the illustration.
b. Disengage the claw between the socket and the socket cover, and push out the socket.
c. Align the socket with the notch on the socket cover, and remove the socket assy.
Fig. 58: Removing Power Outlet Socket Assy CTR

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7.INSTALL POWER OUTLET SOCKET ASSY CTR
a. Align the socket with the notch on the socket cover, push in the socket assy as hard as possible to
install it.
REPAIR