Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Entire Combination Meter does not Operate
DESCRIPTION
This circuit is the power source circuit for the combination meter assembly. This circuit provides two types of power sources; one is a constant power source, and the other is an IG power source.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
- Inspect the fuses of circuits related to this system before performing the following procedure.
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the J10 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J10-31 (ES) - Body ground | Always | Below 1 Ω |
| J10-40 (EP) - Body ground | Always | Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J10-21 (IG+) - Body ground | Engine switch off | Below 1 V |
| Engine switch on (IG) | 11 to 14 V | |
| J10-22 (B) - Body ground | Always | 11 to 14 V |
| OK | .gif) | REPLACE COMBINATION METER ASSEMBLY |
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| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Short in Turn Signal / Hazard Flasher Circuit (B1508)
DESCRIPTION This DTC is stored when the combination meter assembly detects a short in a turn signal light circuit. HINT: If there is a short in a turn signal light circuit, all of the turn signal ligh ...
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DESCRIPTION The combination meter assembly communicates with the ECM, brake actuator assembly (skid control ECU), power steering ECU assembly, main body ECU (multiplex network body ECU), airbag sensor ...
Other materials:
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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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