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 G4 and G6 radio receiver assembly connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G6-1 (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 |
|---|---|---|
| G6-4 (+B1) - G6-1 (GND1) | Power switch off | 11 to 14 V |
| G6-15 (ACC1) - G6-1 (GND1) | Power switch on (ACC) | 11 to 14 V |
| G4-19 (IG) - G6-1 (GND1) | Power switch on (IG) | 11 to 14 V |
| OK | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
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| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Tires
Replace or rotate tires in accordance
with maintenance schedules
and treadwear.
Checking tires
Check if the treadwear indicators are
showing on the tires. Also check the
tires for uneven wear, such as excessive
wear on one side of the tread.
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