Lexus ES: On-vehicle Inspection

Lexus ES (XZ10) Service Manual / Brake / Brake System (other) / Vacuum Warning Switch (for Gasoline Model) / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR

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2. INSPECT BRAKE BOOSTER ASSEMBLY

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3. INSPECT VACUUM WARNING SWITCH ASSEMBLY

(a) Start the engine and stop it after 1 or 2 minutes.

(b) Remove the battery.

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(d) Measure the resistance of the vacuum warning switch assembly.

Standard Resistance:

10 kΩ or higher

(e) With the engine stopped, depress the brake pedal several times to release vacuum from the brake booster assembly, and measure the resistance of the vacuum warning switch assembly.

Standard Resistance:

Below 1 Ω

(f) Connect the connector to the vacuum warning switch assembly.

(g) Install the battery.

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Installation

INSTALLATION PROCEDURE 1. INSTALL GENERATOR ASSEMBLY (a) Install the generator assembly with the bolt and 2 nuts. Torque: 25 N·m {255 kgf·cm, 18 ft·lbf} (b) Engage the clamp. (c) Connect the E.F.I. vacuum sensor assembly (manifold absolute pressure sensor) connector. (d) Install the wire harness

System Voltage Circuit Short to Ground or Open (P056014)

MONITOR DESCRIPTION The battery supplies electricity to the ECM even when the engine switch is off. This power allows the ECM to store data such as DTC history, freeze frame data and fuel trim values. If the battery voltage falls below a minimum level, the memory is cleared and the ECM determines th

Lexus ES: On-vehicle Inspection

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On-vehicle Inspection

Removal

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Installation

System Voltage Circuit Short to Ground or Open (P056014)