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.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (ACC, RADIO NO. 1)
(a) Disconnect the ACC fuse from the driver side junction block.
(b) Disconnect the RADIO NO. 1 fuse from the engine room relay block.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:

NG -- REPLACE FUSE
OK -- Continue to next step.
2. INSPECT RELAY (Marking: ACC CUT)

(a) Disconnect the ACC CUT relay from the engine room relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:

NG -- REPLACE RELAY
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - BATTERY AND BODY GROUND)

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

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE