Lexus NX: Power Source Circuit
DESCRIPTION
This circuit provides power to operate the blind spot monitor sensor.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH, BLIND SPOT MONITOR SENSOR RH - BATTERY AND BODY GROUND) |
| (a) Disconnect the blind spot monitor sensor LH connector. |
|
(b) Disconnect the blind spot monitor sensor RH connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Switch Condition | Specified Condition |
|---|---|---|
| V1-5 (BLB) - Body ground | Power switch on (IG) | 11 to 14 V |
| V1-5 (BLB) - Body ground | Power switch off | Below 1 V |
| X1-5 (BRB) - Body ground | Power switch on (IG) | 11 to 14 V |
| X1-5 (BRB) - Body ground | Power switch off | Below 1 V |
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| V1-10 (BLGD) - Body ground | Always | Below 1 Ω |
| X1-10 (BRGD) - Body ground | Always | Below 1 Ω |
| OK | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
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| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confirm the problem. Click here
NEXT 3. INSPECT AUXILIARY BATTERY VOLTAGE
