Lexus ES manuals

Lexus ES: Inspection

INSPECTION

PROCEDURE

1. INSPECT NAVIGATION ANTENNA ASSEMBLY (w/o Manual (SOS) Switch)

(a) Check that the navigation antenna assembly cable is properly installed and does not have any sharp bends, pinching or loose connections.

(b) Current consumption check:

(1) Measure the current consumption according to the value(s) in the table below.

Standard Current:

Tester Connection

Condition

Specified Condition

3 (core) - 3a (shield)

4.2 to 5 V applied between terminals 3 and 3a

10 to 30 mA

NOTICE:

Do not apply 6 V or more between terminals 3 and 3a.

HINT:

If a stable power supply is not available, connect 4 nickel-metal hydride batteries (1.2 V each) or equivalent in series.

*a

Component without harness connected

(Navigation Antenna Assembly)

*b

Voltage Applied between Terminals

2. INSPECT NAVIGATION ANTENNA ASSEMBLY (w/ Manual (SOS) Switch)

(a) Check that the navigation antenna assembly cable is properly installed and does not have any sharp bends, pinching or loose connections.

(b) Current consumption check: (GPS)

(1) Measure the current consumption according to the value(s) in the table below.

Standard Current:

Tester Connection

Condition

Specified Condition

3 (core) - 3a (shield)

4.2 to 5 V applied between terminals 3 and 3a

10 to 30 mA

NOTICE:

Do not apply 6 V or more between terminals 3 and 3a.

HINT:

If a stable power supply is not available, connect 4 nickel-metal hydride batteries (1.2 V each) or equivalent in series.

*a

Component without harness connected

(Navigation Antenna Assembly)

*b

Voltage Applied between Terminals

(c) Resistance check: (Telephone Sub)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (core) - 4a (shield)

Always

9 to 11 kΩ

*a

Component without harness connected

(Navigation Antenna Assembly)

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL NAVIGATION ANTENNA BRACKET 2. INSTALL NAVIGATION ANTENNA ASSEMBLY (a) Engage the 6 guides and 2 claws to install the navigation antenna assembly as shown in the illus

 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during nav

 Navigation Ecu

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 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 o

 How To Proceed With Troubleshooting

PROCEDURE 1. CHECK TIRE AND WHEEL SYSTEM DIAGNOSIS OF IRREGULAR TIRE WEAR GO TO STEP 11 DIAGNOSIS OF TIRE VIBRATION 2. TIGHTEN WHEEL NUTS Click here NEXT 3. INSPECT TIRES Click here NG GO TO STEP 10 OK

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