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

Test G: The Parking Aid Module Does Not Respond To The Scan Tool

PINPOINT TEST G: THE PARKING AID MODULE DOES NOT RESPOND TO THE SCAN TOOL


G1-G2:






G3-G4:






Normal Operation
The parking aid module communicates with the scan tool through the ISO 9141 communications network, circuit 70 (LB/WH). The parking aid module shares the ISO 9141 network with the restraints control module (RCM). Voltage for the parking aid module is provided by circuit 1040 (RD/BK). Ground is provided by circuit 57 (BK).

Possible Causes
- Fuse
- Circuit 57 (BK) open
- Circuit 70 (LB/WH) open
- Circuit 1040 (RD/BK) open
- Parking aid module