Lexus NX: Diagnostic Trouble Code Chart
Lexus NX Service Manual / Steering / Steering Column / Steering Lock System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Steering Lock System| DTC No. | Detection Item | Link |
|---|---|---|
| B2781 | Open / Short in Steering Lock ECU | |
| B2782 | Power Source Control ECU Malfunction | |
| B2788 | IG2 Signal Malfunction | |
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Open / Short in Steering Lock ECU (B2781)
DESCRIPTION The steering lock ECU and steering lock motor are built into the steering lock actuator assembly. The steering lock ECU (steering lock actuator assembly) detects whether the steering lock
Power Source Control ECU Malfunction (B2782)
DESCRIPTION The certification ECU (smart key ECU assembly) has a power source mode switching function. This DTC is stored when the IGE input (the steering lock motor activation permission signal) sent
IG2 Signal Malfunction (B2788)
DESCRIPTION This DTC is stored when the steering lock ECU (steering lock actuator assembly) detects an IG2 power supply malfunction. HINT: The steering lock ECU (steering lock actuator assembly) is no
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Inspection
INSPECTION PROCEDURE 1. INSPECT HEATER ACCESSORY ASSEMBLY *a Component without harness connected (Heater Accessory Assembly (Heater Water Pump)) (a) Check the motor operation. (1) Apply the positive (+) lead of the auxiliary battery to terminal 2 and the negative (-) lead to terminal 1. OK:
Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT LUMBAR POWER SEAT SWITCH (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Switch Condition Specified Condition 3 (H) - 5 (B) Hold switch on Below 1 Ω 1 (R) - 2 (E) 2 (E) -
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