Lexus ES manuals

Lexus ES: Diagnostic Trouble Code Chart

Lexus ES (XZ10) Service Manual / Steering / Steering Column / Power Tilt And Power Telescopic Steering Column System (for Hv Model) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Power Tilt and Power Telescopic Steering Column System

DTC No.

Detection Item

DTC Detection Condition

Link

B26031C

Tilt and Telescopic Manual Switch Circuit Circuit Voltage Out of Range

When operating the tilt and telescopic switch, an abnormal voltage value is sent to the multiplex tilt and telescopic ECU.

B261096

Tilt Position Sensor or Tilt Motor Circuit Component Internal Failure

Tilt operation stops within the operation range while operating.

B261196

Telescopic Position Sensor or Telescopic Motor Circuit Component Internal Failure

Telescopic operation stops within the operation range while operating.

B2620A2

ECU Power Source Circuit System Voltage Low

The voltage of the ECU power source drops to 8 V or less for 10 seconds or more.

U014287

Lost Communication with Body Control Module "B" Missing Message

One of the following conditions is met:

  • Signals (memory-related data) from the main body ECU (multiplex network body ECU) are interrupted for 3.3 seconds.
  • Signals (IG switch signals) from the main body ECU (multiplex network body ECU) are interrupted for 10 seconds or more.

U015587

Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message

Signals from the combination meter assembly are interrupted for 10 seconds or more.

U020887

Lost Communication with "Seat Control Module A" Missing Message

Signals (memory or recall request signal) received from the position control ECU assembly (driver seat) are interrupted for 10 seconds or more.

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 Tilt Position Sensor or Tilt Motor Circuit Component Internal Failure (B261096)

DESCRIPTION The tilt motor (steering column assembly) 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 po

 Telescopic Position Sensor or Telescopic Motor Circuit Component Internal Failure (B261196)

DESCRIPTION The telescopic motor (steering column assembly) is operated by the power source voltage supplied from the multiplex tilt and telescopic ECU and slides the steering column assembly forward

 ECU Power Source Circuit System Voltage Low (B2620A2)

DESCRIPTION The ECU power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B2620A2 ECU

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 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: If the battery voltage becomes low, battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the windshield deicer system may not operate. HINT: Use the table below to help determine the caus

 Inspection

INSPECTION PROCEDURE 1. INSPECT PARKING BRAKE ACTUATOR ASSEMBLY LH (a) Parking brake actuator assembly LH operation inspection (1) Apply voltage to the terminals of the parking brake actuator assembly LH and check that it operates as specified. OK: Connection Parking Brake Actuator Assembly

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