DESCRIPTION
Detection Item | Symptom | Trouble Area |
---|---|---|
Restraints Occupant Classification System Module Communication Stop Mode | Either condition is met:
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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Click here
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HINT:
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (OCCUPANT DETECTION ECU BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the A occupant detection ECU connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A-5 (CANH) - A-4 (CANL) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
NG | ![]() | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (OCCUPANT DETECTION ECU) |
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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 |
---|---|---|
A-6 (IG2) - Body ground | Engine switch on (IG) | 11 to 14 V |
OK | ![]() | REPLACE OCCUPANT DETECTION ECU |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Bluetooth: What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a Bluetooth device,
first
check the table below.
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Steering System: Vehicle Speed Signal (C1541)
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