Lexus NX: General

 Back Door Motor Circuit (B2220)

DESCRIPTION This DTC is output when the multiplex network door ECU detects a malfunction in the motor built into the power back door unit assembly set LH or RH. DTC No. Detection Item DTC Detection Condition Trouble Area B2220 Back Door Motor Circuit Motor malfunction detected in po

 Rear Seat Belt Warning Light Malfunction

DESCRIPTION The main body ECU (multiplex network body ECU) detects whether either rear door is open or closed based on the condition of the left and right courtesy light switches and then sends the rear door status signal to the combination meter assembly. The combination meter assembly detects the