Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Outside Handle Foot Light Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the outside handle foot lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
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PROCEDURE
| 1. | PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Exterior Light | Outside handle foot lights | OFF or ON | - |
| Tester Display |
|---|
| Exterior Light |
OK:
Outside handle foot lights illuminate.
| OK | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
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| 2. | CHECK HARNESS AND CONNECTOR (FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) |
(a) Disconnect the N11 front door outside handle assembly LH connector.
(b) Disconnect the P4 rear door outside handle assembly LH connector.
(c) Disconnect the J9 main body ECU (multiplex network body ECU) connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| N11-1 (OLP) - J9-4 (MILE) | Always | Below 1 Ω |
| P4-1 (OLP) - J9-4 (MILE) | Always | Below 1 Ω |
| N11-1 (OLP), P4-1 (OLP) or J9-4 (MILE) - Body ground | Always | 10 kΩ or higher |
| OK | | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Telematics System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the telematics system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, check that the problem symptoms h ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Occupant Classification System: Terminals Of Ecu
TERMINALS OF ECU OCCUPANT DETECTION ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition b10-1 (SVC1) - b10-5 (SGD1) R - G Front occupant classification sensor LH power supply Engine switch on (IG) 11 to 14 V b10-2 (SVC3) - b10-6 (SGD3 ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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