Lexus NX: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Power Tilt and Power Telescopic Steering Column System
DTC No. | Detection Item | DTC Detection Condition | Link |
B2603 | Tilt and Telescopic Manual Switch Circuit Malfunction | When operating the tilt and telescopic switch, an abnormal voltage value is sent to the multiplex tilt and telescopic ECU. | |
B2610 | Tilt Position Sensor or Tilt Motor Circuit Malfunction | Tilt operation stops within the operation range while operating. | |
B2611 | Telescopic Position Sensor or Telescopic Motor Circuit Malfunction | Telescopic operation stops within the operation range while operating. | |
B2620 | ECU Power Source Circuit Malfunction | The voltage of the ECU power source drops to 8 V or less and this condition continues for 10 seconds or more. | |
B2624 | Vehicles Speed Malfunction | -
The auto away function is disabled with the last vehicle speed signal (If the power switch is turned off immediately after the vehicle comes to a sudden stop, the last vehicle speed signal may not be 0 km/h (0 mph).) of 10 km/h (6 mph) or more.
-
The vehicle speed signal is lost for 5 seconds or more and the auto away/return function is disabled.
| |
U0142 | Lost Communication with Main Body ECU | Lost communication with main body ECU (multiplex network body ECU) | |
U0208 | Lost Communication with "Seat Control Module A" | Lost communication with front power seat switch | |
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DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch. The multiplex tilt and telescopic ECU then judges which motor and in
DESCRIPTION The tilt motor is operated by the power source voltage supplied from the multiplex tilt and telescopic ECU and tilts the steering column up and down. The tilt position sensor (Hall IC) in
DESCRIPTION The telescopic motor is operated by the power source voltage supplied from the multiplex tilt and telescopic ECU and slides the steering column forward and backward. The telescopic positio
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DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that an overvoltage in the inverter has occurred. The cause of this malfunction may be one of the following: Internal inverter malfunction
Inverter internal circuit malfunction
Malfunction in ECU that controls the inverter
DESCRIPTION F
TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *1 Main Body ECU (Multiplex Network Body ECU) - - (a) Measure the voltage and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Wiring C
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