Visual Inspection and Diagnostic Pre-checks
PINPOINT TEST H : THE INSTRUMENT CENTER MODULE (ICM) DOES NOT RESPOND TO THE
DIAGNOSTIC SCAN TOOL
H1 CHECK THE ICM (INFORMATION CENTER MODULE) VOLTAGE SUPPLY CIRCUIT
Disconnect: ICM C2114. Connect negative battery cable. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2114-1 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to H2 |
|---|---|
No | VERIFY the BCM fuse 32 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. |
H2 CHECK THE ICM (INFORMATION CENTER MODULE) GROUND CIRCUIT
Ignition OFF. Disconnect negative battery cable. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2114-4 | Ground |
Is the resistance less than 3 ohms?
Yes | CONNECT negative battery cable. GO to H3 |
|---|---|
No | REPAIR the circuit. |
H3 CHECK THE HS-CAN1 (HIGH SPEED-CONTROLLER AREA NETWORK 1) CIRCUITS BETWEEN THE ICM (INFORMATION CENTER MODULE) AND THE DLC (DATA LINK CONNECTOR) FOR AN OPEN
Disconnect ICM C2114 Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2114-2 | C251-6 |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.