Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Terminals Of Ecu
TERMINALS OF ECU
HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY)
(a) Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| K1-1 (B) - Body ground | GR - Body ground | Battery | Always | 11 to 14 V |
| K1-2 (IG) - Body ground | B - Body ground | Engine switch signal | Engine switch off | Below 1 V |
| Engine switch on (IG) | 11 to 14 V | |||
| K1-4 (MPX1) - Body ground | B - Body ground | CAN communication line | - | - |
| K1-5 (MPX2) - Body ground | W - Body ground | CAN communication line | - | - |
| K1-6 (ES) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| K1-7 (TX+) - Body ground | SB - Body ground | Local bus communication line | - | - |
| K1-8 (TX-) - Body ground | BE - Body ground | Local bus communication line | - | - |
| K1-15 (E) - Body ground | R - Body ground | Ground | Always | Below 1 Ω |
| K1-16 (SW1) - K1-6 (ES) | LG - BR | Headup display switch assembly signal | Engine switch on (IG), headup display switch assembly not pushed | 4 to 6 V |
| Engine switch on (IG), headup display switch assembly pushed | Below 1 V |
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 symptom are listed in order of ...
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (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 / Head Up Display / T ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Immobiliser System: Engine Immobiliser System Incorrect Assembly (B279C95)
DESCRIPTION If an ECM that is incompatible with the immobiliser system is installed, the ECM will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279C95 Engine Immobiliser System Incorrect Assembly An ECM that is incompatible with the immobiliser ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: Touch Pad Sensor Malfunction (B1559)
DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen sensor malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B1559 Touch Pad Sensor Ma ...
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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