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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B18B8: Power Window Main Switch (Rear RH 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]
B18B8 2A Power window switch rr
(Power window switch rear right)
[SIGNAL STUCK IN RANGE] Diagnosis Turn ignition switch ON
Signal (terminal) Power window switch signal (LIN communication)
Threshold Power window main switch (rear right window switch) has a malfunction. There is no signal change (stuck at ON position).
Diagnosis delay time 25 seconds