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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Inspection

INSPECTION

Before performing diagnosis, check the following items which might affect tire pressure monitoring system problems.

1. TIRE
- Inspect that the tire pressure is within the specification while the tire is cool. (Refer to Tire Caution Label.)
- Check the tires for damage or foreign matters stinging.

2. BATTERY
Check that amount of battery fluid, gravity and voltage are within the specifications.

Standard voltage: 12 V or more
Specific gravity: 1.260 or more