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Pinpoint Test 4: The Instrument Cluster Does Not Respond To The Scan Tool



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PINPOINT TEST 4: THE INSTRUMENT CLUSTER DOES NOT RESPOND TO THE SCAN TOOL - HYBRID

Normal Operation

The instrument cluster communicates with the scan tool through the high speed controller area network (HS-CAN). Circuits (W/L) (HS-CAN +) and (W) (HS-CAN -) provide the HS-CAN network connection to the instrument cluster and circuits (GY/O) (MS-CAN +) and (V/O) (MS-CAN -) provide the medium speed controller area network (MS-CAN) connection to the instrument cluster. The instrument cluster shares the HS-CAN network with the PCM, the ABS module, the 4X4 control module, the restraints control module (RCM), the power steering control module, the occupant classification sensor module, the transmission control module (TCM) and the traction battery control module (TBCM).The instrument cluster shares the MS-CAN network with the smart junction box (SJB), the dual automatic temperature control (DATC) module, the audio control module (ACM), the satellite digital audio receiver system (SDARS) module, the front controls interface module (FCIM) and front display interface module. Voltage for the instrument cluster is provided by circuits (W/V), and (Y/R). Circuits (B/G) and (B/L) provide ground.

Possible Causes
- Fuse
- Wiring, terminals or connectors
- Instrument cluster

Diagnostic Procedure

CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

Step 1-Step 3:





Step 4-Step 5:






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