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)

Or, hide this message: temporarily or permanently

Symptoms - Wiring Systems



Symptoms - Wiring Systems

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Power Mode Description and Operation and Retained Accessory Power (RAP) Description and Operation.

Visual/Physical Inspection

1. Inspect for aftermarket devices which could affect the operation of the system.
2. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections. Component Tests and General Diagnostics

Symptom List

In order to diagnose the symptom, refer to the following:

* Power Mode Mismatch
* Retained Accessory Power (RAP) Malfunction