DESCRIPTION
Detection Item | Symptom | Trouble Area |
---|---|---|
Tire Pressure Monitor ECU Communication Stop Mode | Either condition is met:
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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HINT:
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (TIRE PRESSURE WARNING ECU AND RECEIVER BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the R23 tire pressure warning ECU and receiver connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
R23-9 (CANH) - R23-10 (CANL) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
NG | ![]() | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (TIRE PRESSURE WARNING ECU AND RECEIVER) |
|
2. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
R23-1 (IG) - Body ground | Engine switch on (IG) | 11 to 14 V |
R23-7 (+B) - Body ground | Always | 11 to 14 V |
Result | Proceed to |
---|---|
OK (w/ Rear No. 2 Seat) | A |
OK (w/o Rear No. 2 Seat) | B |
NG | C |
A | ![]() | REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
B | ![]() | REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
C | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Oil Pump: Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT OIL PUMP BODY SUB-ASSEMBLY (a) Turn the front oil pump drive gear with 2 screwdrivers and check that it rotates smoothly. NOTICE: Be careful not to damage the lip of the front oil pump oil seal. 2. INSPECT CLEARANCE OF FRONT OIL PUMP BODY AND GEAR ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lumbar Switch: Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL FRONT LUMBAR POWER SEAT SWITCH (a) Engage the 4 ...