Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Terminals Of Ecu
TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
| *A | w/o Seat Heater System | *B | w/ Seat Heater System |
(a) Disconnect the J43 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| J43-2 (IG+) - J43-4 (GND) | GR - W-B | Power source (IG) | Engine switch on (IG) | 11 to 14 V |
| J43-2 (IG+) - J43-4 (GND) | GR - W-B | Power source (IG) | Engine switch off | Below 1 V |
| J43-1 (B) - J43-4 (GND) | R - W-B | Battery power supply | Always | 11 to 14 V |
| J43-4 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
(c) Reconnect the J43 air conditioning amplifier assembly connector.
(d) Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| J43-5 (RDFG) - J43-4 (GND) | P - W-B | Rear window defogger signal | Engine switch on (IG), rear window defogger switch off | 11 to 14 V |
| J43-5 (RDFG) - J43-4 (GND) | P - W-B | Rear window defogger signal | Engine switch on (IG), rear window defogger switch on | Below 2.2 V |
CHECK RADIO RECEIVER ASSEMBLY
Click here .gif)
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the battery voltage is low, the window defogger system may not operate. When "Operation of Electrical Items Restricted." is not displayed on the multi-information dis ...
Data List / Active Test
DATA LIST / ACTIVE TEST ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive func ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning System: Evaporator Temperature Circuit (B1417/17)
DESCRIPTION The No. 2 air conditioning harness assembly is installed on the evaporator in the rear air conditioner unit to detect the temperature of the cooled air that has passed through the evaporator, which is used to control the air conditioning system. It sends signals to the air conditioning a ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Mirror Control System (w/ Memory): Parts Location
PARTS LOCATION ILLUSTRATION *A except TMMC Made *B for TMMC Made *1 INNER REAR VIEW MIRROR ASSEMBLY *2 OUTER REAR VIEW MIRROR ASSEMBLY (DRIVER DOOR) *3 OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR) *4 OUTER MIRROR RETRACTOR (DRIVER DOOR) *5 OUTER MIRROR R ...
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
0.0096