Lexus NX: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY ASSEMBLY
| (a) Remove the horn relay assembly. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3 - 5 | Voltage is not applied between terminals 1 and 2 | 10 kΩ or higher |
| 3 - 5 | Voltage is applied between terminals 1 and 2 | Below 1 Ω |
If the result is not as specified, replace the horn relay assembly.
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Precaution
PRECAUTION PRECAUTION WHEN REPLACING HEADLIGHT ECU SUB-ASSEMBLY LH (a) If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the
SEE MORE:
Tires
Replace or rotate tires in accordance
with maintenance schedules
and treadwear.
Checking tires
Check if the treadwear indicators are
showing on the tires. Also check the
tires for uneven wear, such as excessive
wear on one side of the tread.
Check the spare tire condition and
pressure if
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch outputs the cruise control power supply switch signal and each operation switch signal to the hybrid vehicle control ECU.
The hybrid vehicle control ECU performs cruise control according to the signal from the cruise control main switch.
WIRING DIAG
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