Lexus NX: Garage Door Opener

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Navigation System DTC No. Detection Item Link B1323 Lost Communication with Haptic Device B1324 Lost Communication with Meter B1325 Lost Communication with HUD B1326 Lost Communication with Clock Device (Local-CAN)

 Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION This circuit includes the navigation ECU and radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disconnect the I153 radio receiver assembly connector. (b) Disconnect the I173 navigation ECU