B3000 V6-3.0L (2007)
The scan tool communicates with the ISO 9141 network through the data link connector (DLC). The generic electronic module (GEM) communicates
with the scan tool through the ISO 9141 communications network, circuit (GY).
Possible Causes
Circuit (GY) open, short to ground or short to voltage
-
DLC D-01
-
GEM
CAUTION: Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the
connector.
Pinpoint Test 8: No Module/Network Communication - No Power to the Diagnostic Tool
PINPOINT TEST 8: NO MODULE/NETWORK COMMUNICATION - NO POWER TO THE DIAGNOSTIC TOOL
Step 1-Step 3
Normal Operation
The scan tool is connected to the data link connector (DLC) to communicate with the high speed controller area network (HS-CAN) and International
Standards Organization (ISO) 9141 communications networks.
Possible Causes
-
Fuse
-
Circuit (GY/R) open
-
Circuit (B/W) open circuit
-
Circuit (B/Y) open
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DLC D-01
-
Scan tool
