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 |
Precaution
PRECAUTION
1. EXPRESSIONS OF IGNITION SWITCH
The type of ignition switch used on this model differs according to the specifications
of the vehicle.
The expressions listed in the table below are used in this section.
Expression
Ignit ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Make sure to release the vacuum from the brake booster before removing the master
cylinder from the brake booster.
PROCEDURE
1. DRAIN BRAKE FLUID
NOTICE:
Wash off brake fluid immediately if it comes in contact w ...