2008 Lexus ES 350FACTORY OEM SERVICE PROCEDURE

Diagnostic Trouble Code Chart

If any trouble code is displayed during DTC check, check the circuit corresponding to the code in the table below. Proceed to the DTC given for the circuit.

ACTIVE ENGINE MOUNTING:Β 

ACTIVE ENGINE MOUNT - DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area
P16A0Β  G Sensor Circuit
  1. Open or short in acceleration sensor circuit
  2. Acceleration sensor power source circuit
  3. Acceleration sensor
  4. Active control engine mount ECU
P16A1Β  Linear Solenoid Circuit or G Sensor Circuit
  1. Open or short in active control engine mount actuator circuit
  2. Front engine mounting insulator
  3. Acceleration sensor
  4. Active control engine mount ECU
P16A2Β  Battery High Voltage
  1. ECU power source circuit
  2. Active control engine mount ECU
P16A3Β  TACH Signal Communication
  1. Open or short in TACH signal circuit
  2. Active control engine mount ECU
  3. ECM
P16A4Β  High Speed CAN Communication Bus
  1. CAN communication system
  2. Active control engine mount ECU
  3. ECM
  4. A/C amplifier
  5. Skid control ECU
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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