Other information:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B13CF-73
Buttons
(AV control unit)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
—
Threshold
—
Diagnosis delay time
—
POSSIBLE CAUSEAV control unitFAIL-SAFEAV control unit buttons error
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
Diagnosis Procedure
CHECK FUSE
Check that the following fuses are not blown:
Terminal No. Signal name Fuse No. Capacity
7
ACC power supply
7
10 A
17
Ignition power supply
29
10 A
19
Battery power supply
15
20 A
Are the fuses blown?
YES>>
Replace the blown fuse after repairing the affected circuit...