DESCRIPTION
This is the power source circuit to operate the radio and display receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE) |
(a) Disconnect the E4 and E42 radio and display receiver assembly connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E4-7 (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 |
---|---|---|
E4-4 (+B1) - E4-7 (GND1) |
Always |
11 to 14 V |
E4-3 (ACC1) - E4-7 (GND1) |
Ignition switch ACC |
11 to 14 V |
E42-1 (IG) - E4-7 (GND1) |
Ignition switch ON |
11 to 14 V |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
(See page ).
PROCEDURE
1. DISCHARGE FUEL SYSTEM PRESSURE
(a) Discharge fuel system pressure (See page
).
2. DISCONNECT CABL ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR NO. 3 SPEAKER ASSEMBLY (for 13 Speakers)
(a) With the speaker installed, check that there is no looseness or other abnormalities.
(b) Check that there is no foreign matter in the speaker, no tears on the speaker
cone ...