AUDIO AND VISUAL SYSTEM(for Sedan Radio and Display Type) Radio Receiver Power Source Circuit
| DTC Code | DTC Name |
|---|---|
| Radio Receiver Power Source Circuit |
DESCRIPTION
This is the power source circuit to operate the radio and display receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
CONFIRM MODEL
Choose the model to be inspected.
Result
Result
Proceed to
w/o Stop and Start System
A
w/ Stop and Start System
B
B CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - ENGINE STOP AND START ECU)Click here
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)
Disconnect the E1 and E60 radio and display receiver assembly connectors.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
E1-7 (GND1) - Body ground
Always
Below 1 Ω
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Condition
Specified Condition
E1-4 (+B1) - E1-7 (GND1)
Always
11 to 14 V
E1-3 (ACC1) - E1-7 (GND1)
Ignition switch ACC
11 to 14 V
E60-1 (IG) - E1-7 (GND1)
Ignition switch ON
11 to 14 V
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - ENGINE STOP AND START ECU)
Disconnect the E1 radio and display receiver assembly connector.
Disconnect the E24 engine stop and start ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
E1-4 (+B1) - E24-2 (BO1)
Always
Below 1 Ω
E1-3 (ACC1) - E24-3 (ACO)
Always
Below 1 Ω
E1-4 (+B1) - Body ground
Always
10 kΩ or higher
E1-3 (ACC1) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)
Disconnect the E1 and E60 radio and display receiver assembly connectors.
Reconnect the E24 engine stop and start ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
E1-7 (GND1) - Body ground
Always
Below 1 Ω
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Condition
Specified Condition
E1-4 (+B1) - E1-7 (GND1)
Always
9.5 to 14 V
E1-3 (ACC1) - E1-7 (GND1)
Ignition switch ACC
9.5 to 14 V
E60-1 (IG) - E1-7 (GND1)
Ignition switch ON
11 to 14 V
Result
Proceed to
OK
NG