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

Instrument Panel, Gauges and Warning Indicators: Service Precautions

CAUTION:
- Before removing and installing the SJB or its connectors, disconnect the battery. Refer to battery. Failure to follow this caution will result in the SJB storing many erroneous DTCs, and it may exhibit erratic operation after installation.
- Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
- Electronic modules are sensitive to electrostatic discharges. If exposed to these charges, damage may result.