B221F

B221F-AMPLIFIER INTERNAL

For a complete wiring diagram, refer to the Wiring Information. Electrical Diagrams

- When Monitored:
With the ignition on.

- Set Condition:
The amplifier detects a software checksum test failure.





REPLACE THE RADIO AMPLIFIER
1. When this DTC is set, replace the radio amplifier.

Repair

- Replace the amplifier.
- Perform the BODY VERIFICATION TEST. Body Verification Test.