DIAGNOSTIC TROUBLE CODE CHART
Wiper and Washer System| DTC No. | Detection Item | DTC Detection Condition | Link |
|---|---|---|---|
| B1245 | Lost Communication with Wiper ECU LIN | When the battery voltage is 9.5 V or more, a communication malfunction between the main body ECU (multiplex network body ECU) and windshield wiper motor and link assembly (wiper ECU) is detected for 10 seconds or more | |
| B1278 | Lost Communication with Combination Switch ECU | When the battery voltage is 9.5 V or more, a communication malfunction between the main body ECU (multiplex network body ECU) and windshield wiper switch assembly is detected for 10 seconds or more. | |
| B1279 | Lost Communication with Humidity/Rain Sensor LIN | When the battery voltage is 9.5 V or more, a communication malfunction between the main body ECU (multiplex network body ECU) and rain sensor is detected for 10 seconds or more. | |
| B1370 | ECU Malfunction | When the battery voltage is 9.5 V or more, a malfunction is detected for 10 seconds or more during the wiper ECU self-check. | |
| B1372 | Wiper Switch Signal Mismatch between LIN and Line | When the battery voltage is 9.5 V or more, the operation signals sent via LIN communication and direct line do not match for 10 seconds or more. | |
| B1373 | Lost Communication with Wiper System LIN BUS | When the battery voltage is 9.5 V or more, a malfunction in the communication or LIN communication line between the main body ECU (multiplex network body ECU) and components of the wiper system occurs for 7 seconds or more 3 times consecutively. | |
| B1400 | Rain Sensor Malfunction |
| |
Data List / Active Test
Lost Communication with Wiper ECU LIN (B1245)Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: Radio Receiver Power Source Circuit
DESCRIPTION This is the power source circuit to operate the radio receiver assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBL ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: Touch Pad Memory Module Malfunction (B155B)
DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen memory module malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B155B Touch Pad Me ...