Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Component Tests and General Diagnostics

SPEAKER WALK-AROUND TEST

NOTE: To enter the speaker walk-around test or ACM self-diagnostic mode, the ACM must be on and in radio tuner (AM/FM) mode.

1. To enter the speaker walk-around test, simultaneously press the ACM preset buttons 3 and 6.
2. The speaker walk-around test stops at each speaker and applies sound to each speaker for about 1 to 2 seconds. Each speaker is tested and displayed on the ACM in the following sequence:
- Except THX(R): RF, LF, LR, RR, SUBWOOFER.
- THX(R): CSA FRONT, TWEETER LF, TWEETER RF, CENTER REAR, SPEAKER LF, SPEAKER RF, SPEAKER LR, SUBWOOFER, SPEAKER RR.

3. To exit the speaker walk-around test, turn the key to OFF, turn the ACM off, press preset button 1 for diagnostics (ACMs without navigation), or press "End Test" (navigation ACM).