Radio Receiver Power Source Circuit

AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Radio Receiver Power Source Circuit

Radio Receiver Power Source Circuit

DESCRIPTION

This circuit provides power to the radio receiver assembly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSES (RADIO NO. 1, ACC)




(a) Remove the RADIO NO. 1 fuse from the engine room junction block.
(b) Remove the ACC fuse from the main body ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





(d) Install the fuses.
NG -- REPLACE FUSES
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)




(a) Disconnect the R1 radio receiver assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:

for Except Double Cab with 7 Speakers





for Double Cab with 7 Speakers





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

for Except Double Cab with 7 Speakers





for Double Cab with 7 Speakers





(d) Reconnect the radio receiver assembly connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE