Lexus ES manuals

Lexus ES: Radio Receiver Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the radio receiver assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY POWER SOURCE)

(a) Disconnect the G5 and G3 radio receiver assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G5-1 (GND1) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

G5-4 (+B1) - G5-1 (GND1)

Power switch off

11 to 14 V

G5-15 (ACC1) - G5-1 (GND1)

Power switch on (ACC)

11 to 14 V

G3-19 (IG) - G5-1 (GND1)

Power switch on (IG)

11 to 14 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

READ NEXT:

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SEE MORE:

 Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE OIL FILLER CAP SUB-ASSEMBLY (a) Remove the oil filler cap sub-assembly from the cylinder head cover sub-assembly LH. (b) Remove the oil filler cap gasket from the oil filler cap sub-assembly. 2. REMOVE SPARK PLUG Click here 3. REMOVE PC

 Reassembly

REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL VISOR COVER ASSEMBLY Click here 2. INSTALL OUTER MIRROR UPPER COVER Click here 3. INSTALL OUTER MIRROR LOWER COVER Click here 4.

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