Lexus ES manuals

Lexus ES: Inspection

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fxs (engine Control) / Air Fuel Ratio Sensor (for Sensor 2) / Inspection

INSPECTION

PROCEDURE

1. INSPECT AIR FUEL RATIO SENSOR

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (HA1B) - 2 (+B)

20°C (68°F)

2 to 6 Ω

1 (HA1B) - 4 (A1B-)

Always

10 kΩ or higher

If the result is not as specified, replace the air fuel ratio sensor.

*a

Component without harness connected

(Air Fuel Ratio Sensor)

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL AIR FUEL RATIO SENSOR HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Click here (a) Using SST, install the air fuel ratio

 Camshaft Oil Control Solenoid

 Components

COMPONENTS ILLUSTRATION *1 CAM TIMING OIL CONTROL SOLENOID ASSEMBLY *2 NO. 1 ENGINE COVER SUB-ASSEMBLY *3 O-RING - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reus

SEE MORE:

 Parts Location

PARTS LOCATION ILLUSTRATION *1 DEF RELAY *2 REAR WINDOW DEFOGGER WIRE *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - DEF FUSE *4 BACK WINDOW GLASS ILLUSTRATION *1 REAR WINDOW DEFOGGER SWITCH (AIR CONDITIONING CONTROL ASSEMBLY) *2 DLC3 *3 A

 A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold (P219519,P219524,P219618,P219623)

DESCRIPTION Refer to DTC P003012. Click here HINT: Although the DTC titles say O2 sensor, these DTCs relate to the air fuel ratio sensor (sensor 1). DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P219519 A/F (O2) Sensor Signal Biased/Stuck Lean Ban

© 2016-2025 Copyright www.lexguide.net