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 - BATTERY, BODY GROUND) |
(a) Disconnect the G49 and G48 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 |
---|---|---|
G48-7 (GND) - 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 |
---|---|---|
G48-3 (ACC) - G48-7 (GND) |
Ignition switch ACC |
11 to 14 V |
G48-4 (B) - G48-7 (GND) |
Always |
11 to 14 V |
G49-1 (IG) - G48-7 (GND) |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to Radio and Display Receiver Assembly) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION
The navigation receiver assembly and map light assembly (telephone microphone
assembly) are connected to each other using the microphone connection detection
signal lines.
This DTC is stored when a microphone connection detection signal line ...
LVDS Signal Malfunction (from Extension Module) (B1532)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
B1532
When one of the conditions below is met:
Stereo component tuner assembly is/was not connected while the
ignition sw ...