Multi-Display Power Source Circuit

NAVIGATION SYSTEM: Multi-display Power Source Circuit

Multi-display Power Source Circuit

DESCRIPTION

The circuit provides power to the multi-display.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (ACC, ECU-IG, RADIO NO. 2)
(a) Disconnect the ACC and ECU-IG fuses from the driver side junction block.
(b) Disconnect the RADIO NO. 2 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 (MULTI-DISPLAY - BATTERY AND BODY GROUND)





(a) Disconnect the M21 display connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





(c) 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