Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING PAD SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Text in Illustration | *A | w/ Lane Departure Alert System | - | - |
| *a | Component without harness connected (Steering Pad Switch Assembly) | *b | Seek+ |
| *c | Seek- | *d | Volume+ |
| *e | Volume- | *f | MODE |
| *g | Voice | *h | Off Hook |
| *i | On Hook | *j | Up |
| *k | Down | *l | Left |
| *m | Right | *n | Enter |
| *o | Back | *p | Top |
| *q | Lane Departure Alert | *r | Distance Control |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A-11 - A-8 | No switch pushed | 95 to 105 kΩ |
| Seek+ switch pushed | Below 2.5 Ω | |
| Seek- switch pushed | 313 to 345 Ω | |
| Volume+ switch pushed | 950 to 1050 Ω | |
| Volume- switch pushed | 2955 to 3265 Ω | |
| A-10 - A-8 | No switch pushed | 95 to 105 kΩ |
| MODE switch pushed | Below 2.5 Ω | |
| On hook switch pushed | 313 to 345 Ω | |
| Off hook switch pushed | 950 to 1050 Ω | |
| Voice switch pushed | 2955 to 3265 Ω | |
| A-3 - A-8 | No switch pushed | 95 to 105 kΩ |
| Left switch pushed | Below 2.5 Ω | |
| Up switch pushed | 313 to 345 Ω | |
| Down switch pushed | 950 to 1050 Ω | |
| Right switch pushed | 2955 to 3265 Ω | |
| A-2 - A-8 | No switch pushed | 95 to 105 kΩ |
| Enter switch pushed | Below 2.5 Ω | |
| Top switch pushed | 313 to 345 Ω | |
| Back switch pushed | 950 to 1050 Ω | |
| A-4 - A-7* | No switch pushed | 1 MΩ or higher |
| Distance control switch pushed | Below 2.5 Ω | |
| Lane departure alert switch pushed | 228 to 252 Ω | |
| A-6 - B-1 | Always | Below 2.5 Ω |
| A-7 - C-1 | Always | Below 2.5 Ω |
| A-12 - C-3 | Always | Below 2.5 Ω |
- *: w/ Lane Departure Alert System
HINT:
If the result is not as specified, replace the steering pad switch assembly.
(b) Check the illumination.
| *a | Component without harness connected (Steering Pad Switch Assembly) | - | - |
(1) Connect a positive (+) lead from the battery to terminal 5 and a negative (-) lead to terminal 9 of the steering pad switch assembly connector.
(2) Check that the steering pad switch assembly illumination illuminates.
OK:
The steering pad switch assembly illumination illuminates.
HINT:
If the result is not as specified, replace the steering pad switch assembly.
Components
COMPONENTS ILLUSTRATION *1 STEERING PAD SWITCH ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ...
Installation
INSTALLATION PROCEDURE 1. INSTALL STEERING PAD SWITCH ASSEMBLY (a) Engage the 2 claws and 2 pins to install the steering pad switch assembly. (b) Install the 2 screws. Torque: 2.4 N·m {24 kgf·cm, 2 ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Blind Spot Monitor System: Blind Spot Monitor Slave Module (C1AB7)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB7 Blind Spot Monitor Slave Module The blind spot monitor sensor RH (slave) detects an internal malfunction Blind sp ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Intuitive Parking Assist System (w/ Intelligent Clearance Sonar System): Front Left Sensor Malfunction (C1AE1)
DESCRIPTION The front corner ultrasonic sensor LH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front corner ultrasonic sensor LH. If the front corner ultrasonic sensor LH has an open circuit or other malfunction, it will no ...
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
0.0143