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Home >> Infiniti >> 2019 >> QX30 Essential, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B18B9: Power Window Main Switch (Power Window Lock Switch) >> RH >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detection condition

(Trouble diagnosis name)

[Malfunction type]

B18B9

2A

Power window lock switch

(Power window lock switch)

[SIGNAL STUCK IN RANGE]

Diagnosis

Turn ignition switch ON

Signal (terminal)

Power window switch signal (LIN communication)

Threshold

Power window main switch (power window lock switch) has a malfunction. There is no signal change (stuck at ON position).

Diagnosis delay time

25 seconds