Transit Connect L4-2.0L (2010)
Information Bus: Pinpoint Tests
Pinpoint Test A: The PCM Does Not Respond To The Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test A: The PCM Does Not Respond To The Scan Tool
Refer to Wiring Diagram Set 14, Module Communications Network for schematic and connector information. See: Diagrams/Electrical
Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 23, Electronic Engine Controls for schematic and connector information. See: Diagrams/Electrical Diagrams/Diagrams By
Number
Normal Operation
The PCM communicates with the scan tool through the High Speed Controller Area Network (HS-CAN).
This pinpoint test is intended to diagnose the following:
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Wiring, terminals or connectors
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PCM
PINPOINT TEST A: THE PCM DOES NOT RESPOND TO THE SCAN TOOL
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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A1 VERIFY WHETHER OTHER HS-CAN MODULES PASS THE NETWORK TEST
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Enter the following diagnostic mode on the scan tool: Network Test.
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In the LH pane of the IDS network test display screen, verify whether any HS-CAN modules passed the network test.
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Is the text "pass" or a DTC listed next to any of the following modules (if equipped): ABS module, Instrument Cluster (IC), PCM or
Steering Angle Sensor Module (SASM)?
Yes
If "pass" or a DTC was listed next to the PCM, a network fault is not currently present. GO to Pinpoint Test M to diagnose an intermittent HS-CAN fault
condition. See: Pinpoint Test M: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding
If "pass" or a DTC was listed next to one or more modules other than the PCM, GO to A2.
No
No modules are currently communicating on the HS-CAN. GO to Pinpoint Test L to diagnose no HS-CAN communication. See: Pinpoint Test L:
Intermittent No Medium Speed Controller Area Network (MS-CAN) Communication, One Or More Modules Are Not Respo
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A2 VERIFY THE COMPUTERS AND CONTROL SYSTEMS INFORMATION PINPOINT TEST QA HAS BEEN CARRIED OUT
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Verify that Computers and Control Systems Information pinpoint test QA has been carried out.
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Has pinpoint test QA been carried out?
Yes
