Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT INJECTOR RELAY (INJ)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3 - 5 | Battery voltage not applied between terminals 1 and 2 | 10 kΩ or higher |
| Battery voltage applied between terminals 1 and 2 | Below 1 Ω |
If the result is not as specified, replace the injector relay (INJ).
2. INSPECT FUEL PUMP RELAY (FUEL PMP)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3 - 5 | Battery voltage not applied between terminals 1 and 2 | 10 kΩ or higher |
| Battery voltage applied between terminals 1 and 2 | Below 1 Ω |
If the result is not as specified, replace the fuel pump relay (FUEL PMP).
Installation
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Sfi System
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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