Operation CHARM: Car repair manuals for everyone.
Home >> Mercury >> 2008 >> Mariner 2WD L4-2.3L VIN Z >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Pinpoint Tests >> Test P: The Parking Aid Module Does Not Respond To The Scan Tool Or No International Standards Organization (ISO) 9141 Network
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 P: The Parking Aid Module Does Not Respond To The Scan Tool Or No International Standards Organization (ISO) 9141 Network

PINPOINT TEST P: THE PARKING AID MODULE DOES NOT RESPOND TO THE SCAN TOOL OR NO INTERNATIONAL STANDARDS ORGANIZATION (ISO) 9141 NETWORK COMMUNICATION

Normal Operation
The parking aid module communicates with the scan tool through the ISO 9141 communications network, circuit VDB10 (GY). The parking aid module is the only module which communicates on the ISO 9141. Voltage for the parking aid module is provided by circuit CBP35 (YE/GY). Ground is provided by circuit GD182 (BK/GY).

This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- Parking aid module


P1-P2:






P2-P4:






P5-P7:




pro multis · About Operation CHARM