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

Intrusion Sensor Fails to Trip VTSS

Test 1 - 3:




Test 4 - 6:






SYMPTOM
INTRUSION SENSOR FAILS TO TRIP VTSS (EXPORT ONLY)

POSSIBLE CAUSES
- Intrusion sensor
- Open fused B(+) circuit
- Open ground circuit
- Intrusion sensor signal circuit open
- Intrusion sensor signal circuit shorted to ground
- Intrusion sensor
- Remote keyless entry module