On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT PTC HEATER RELAY
(a) Measure the resistance according to the value(s) in the table below.
| *a | Component without harness connected (PTC HTR NO. 1) | *b | Component without harness connected (PTC HTR NO. 2) |
| *c | Component without harness connected (PTC HTR NO. 3) | - | - |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3 - 5 | Battery voltage not applied between terminals 1 and 2 | 10 kΩ or higher |
| 3 - 5 | Battery voltage applied between terminals 1 and 2 | Below 1 Ω |
InstallationLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sliding Roof System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Mirror Control System (w/ Memory): AUTO Power Retract Mirrors do not operate
DESCRIPTION The multiplex network master switch assembly sends the auto retractable outer mirror switch signal to the main body ECU (multiplex network body ECU) via LIN communication. The main body ECU (multiplex network body ECU) sends the auto retract/return signal to the outer mirror control ECU ...