Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Inspection
INSPECTION
PROCEDURE
1. INSPECT SPIRAL CABLE SUB-ASSEMBLY
NOTICE:
- Do not remove the steering sensor from the spiral cable sub-assembly when inspecting the spiral cable sub-assembly.
- Remove the steering sensor from the spiral cable sub-assembly only when replacing the spiral cable sub-assembly.
(a) Visually check the spiral cable sub-assembly for defects.
(1) The defects are as follows:
- Scratches
- Small cracks
- Dents
- Chips
-
Cracks or other damage to the connector
OK:
No defects are found.
If any of the defects is found, replace the spiral cable sub-assembly with a new one.
(b) Check the spiral cable sub-assembly.
| *a | Component without harness connected (Spiral Cable Sub-assembly) | *b | Color: Light Green |
| *c | Color: Black | - | - |
.png) | Interlock | - | - |
NOTICE:
- When rotating the spiral cable sub-assembly, make sure to push on the interlock shown in the illustration to release the interlock mechanism.
- As the spiral cable sub-assembly may break, do not rotate the spiral cable sub-assembly more than the specified amount.
(1) Set the spiral cable sub-assembly to the center position.
Click here .gif)
(2) Measure the resistance between each terminal of the spiral cable sub-assembly according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J29-1 (SDN) - z9-3 (SDN) | Always | 3 Ω or less |
| J29-2 (ECC) - z4-7 (ECC) | Always | 3 Ω or less |
| J29-2 (ECC) - z9-4 (ECC) | Always | 3 Ω or less |
| J29-3 (EAU) - z4-8 (EAU) | Always | 3 Ω or less |
| J29-4 (ILL-) - z4-9 (ILL-) | Always | 3 Ω or less |
| J29-5 (AU2) - z4-10 (AU2) | Always | 3 Ω or less |
| J29-6 (AU1) - z4-11 (AU1) | Always | 3 Ω or less |
| J29-7 (CCS) - z4-12 (CCS) | Always | 3 Ω or less |
| J29-8 (SUP) - z9-1 (SUP) | Always | 3 Ω or less |
| J29-9 (LDA) - z9-2 (LDA) | Always | 3 Ω or less |
| J29-10 (+DP) - z4-2 (+DP) | Always | 3 Ω or less |
| J29-11 (+DP2) - z4-3 (+DP2) | Always | 3 Ω or less |
| J29-12 (DIST) - z4-4 (DIST) | Always | 3 Ω or less |
| J29-13 (IL+2) - z4-5 (IL+2) | Always | 3 Ω or less |
| J29-14 (HO) - z4-6 (HO) | Always | 3 Ω or less |
| J30-1 (D+) - z16-2 (D+) | Always | Below 1 Ω |
| J30-2 (D-) - z16-1 (D-) | Always | Below 1 Ω |
| J30-3 (D2-) - z17-1 (D2-) | Always | Below 1 Ω |
| J30-4 (D2+) - z17-2 (D2+) | Always | Below 1 Ω |
| J23-1 (BTM) - z11-2 (BTM) | Always | 3 Ω or less |
| J23-2 (EHT) - z11-1 (EHT) | Always | Below 0.1 Ω |
| J23-3 (ETM) - z11-3 (ETM) | Always | 3 Ω or less |
| J23-4 (BHT) - z11-4 (BHT) | Always | Below 0.1 Ω |
(3) After setting the spiral cable sub-assembly to the center position, rotate the spiral cable sub-assembly 2.5 times clockwise, and measure the resistance according to the value(s) in the table below. Then rotate the spiral cable sub-assembly 5 times counterclockwise, and measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J29-1 (SDN) - z9-3 (SDN) | Always | 3 Ω or less |
| J29-2 (ECC) - z4-7 (ECC) | Always | 3 Ω or less |
| J29-2 (ECC) - z9-4 (ECC) | Always | 3 Ω or less |
| J29-3 (EAU) - z4-8 (EAU) | Always | 3 Ω or less |
| J29-4 (ILL-) - z4-9 (ILL-) | Always | 3 Ω or less |
| J29-5 (AU2) - z4-10 (AU2) | Always | 3 Ω or less |
| J29-6 (AU1) - z4-11 (AU1) | Always | 3 Ω or less |
| J29-7 (CCS) - z4-12 (CCS) | Always | 3 Ω or less |
| J29-8 (SUP) - z9-1 (SUP) | Always | 3 Ω or less |
| J29-9 (LDA) - z9-2 (LDA) | Always | 3 Ω or less |
| J29-10 (+DP) - z4-2 (+DP) | Always | 3 Ω or less |
| J29-11 (+DP2) - z4-3 (+DP2) | Always | 3 Ω or less |
| J29-12 (DIST) - z4-4 (DIST) | Always | 3 Ω or less |
| J29-13 (IL+2) - z4-5 (IL+2) | Always | 3 Ω or less |
| J29-14 (HO) - z4-6 (HO) | Always | 3 Ω or less |
| J30-1 (D+) - z16-2 (D+) | Always | Below 1 Ω |
| J30-2 (D-) - z16-1 (D-) | Always | Below 1 Ω |
| J30-3 (D2-) - z17-1 (D2-) | Always | Below 1 Ω |
| J30-4 (D2+) - z17-2 (D2+) | Always | Below 1 Ω |
| J23-1 (BTM) - z11-2 (BTM) | Always | 3 Ω or less |
| J23-2 (EHT) - z11-1 (EHT) | Always | Below 0.1 Ω |
| J23-3 (ETM) - z11-3 (ETM) | Always | 3 Ω or less |
| J23-4 (BHT) - z11-4 (BHT) | Always | Below 0.1 Ω |
(4) After setting the spiral cable sub-assembly to the center position, rotate the spiral cable sub-assembly 2.5 times clockwise. Then while rotating the spiral cable sub-assembly 5 times counterclockwise, measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J29-1 (SDN) - z9-3 (SDN) | Always | 3 Ω or less |
| J29-2 (ECC) - z4-7 (ECC) | Always | 3 Ω or less |
| J29-2 (ECC) - z9-4 (ECC) | Always | 3 Ω or less |
| J29-3 (EAU) - z4-8 (EAU) | Always | 3 Ω or less |
| J29-4 (ILL-) - z4-9 (ILL-) | Always | 3 Ω or less |
| J29-5 (AU2) - z4-10 (AU2) | Always | 3 Ω or less |
| J29-6 (AU1) - z4-11 (AU1) | Always | 3 Ω or less |
| J29-7 (CCS) - z4-12 (CCS) | Always | 3 Ω or less |
| J29-8 (SUP) - z9-1 (SUP) | Always | 3 Ω or less |
| J29-9 (LDA) - z9-2 (LDA) | Always | 3 Ω or less |
| J29-10 (+DP) - z4-2 (+DP) | Always | 3 Ω or less |
| J29-11 (+DP2) - z4-3 (+DP2) | Always | 3 Ω or less |
| J29-12 (DIST) - z4-4 (DIST) | Always | 3 Ω or less |
| J29-13 (IL+2) - z4-5 (IL+2) | Always | 3 Ω or less |
| J29-14 (HO) - z4-6 (HO) | Always | 3 Ω or less |
| J30-1 (D+) - z16-2 (D+) | Always | Below 1 Ω |
| J30-2 (D-) - z16-1 (D-) | Always | Below 1 Ω |
| J30-3 (D2-) - z17-1 (D2-) | Always | Below 1 Ω |
| J30-4 (D2+) - z17-2 (D2+) | Always | Below 1 Ω |
| J23-1 (BTM) - z11-2 (BTM) | Always | 3 Ω or less |
| J23-2 (EHT) - z11-1 (EHT) | Always | Below 0.1 Ω |
| J23-3 (ETM) - z11-3 (ETM) | Always | 3 Ω or less |
| J23-4 (BHT) - z11-4 (BHT) | Always | Below 0.1 Ω |
If the result is not as specified, replace the spiral cable sub-assembly.
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the sp ...
Installation
INSTALLATION PROCEDURE 1. INSPECT SPIRAL CABLE SUB-ASSEMBLY NOTICE: If the steering sensor is installed to a misaligned spiral cable sub-assembly, DTCs for an abnormal steering sensor value such as DT ...
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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