Navigator 4WD V8-5.4L (2010)
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Parking Aid Module (PAM) (if equipped)
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Power Running Board (PRB) module (if equipped)
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Rear Entertainment Module (RETM) (if equipped)
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Satellite Digital Audio Receiver System (SDARS) module (if equipped)
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Smart Junction Box (SJB)
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Data Link Connector (DLC)
PINPOINT TEST W: NO MS-CAN COMMUNICATION, ALL MODULES ARE NOT RESPONDING
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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W39 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE AUDIO DSP MODULE
DISCONNECTED
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Disconnect: Audio DSP Module C2364c.
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Measure the resistance between the DLC C251-3, circuit VDB06 (GY/OG), harness side and ground; and between the DLC C251-11, circuit
VDB07 (VT/OG), harness side and ground.
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Are the resistances greater than 1,000 ohms?
Yes
CONNECT all modules. CONNECT the negative battery cable. GO to W65.
No
GO to W40.
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W40 VERIFY VEHICLE EQUIPMENT - HVAC MODULE
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Inspect the vehicle for an HVAC module.
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Is the vehicle equipped with an HVAC module?
Yes
GO to W41.
No
GO to W42.
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W41 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE HVAC MODULE
DISCONNECTED
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Disconnect: HVAC Module C228a (EATC) or C2357a (EMTC).
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Measure the resistance between the DLC C251-3, circuit VDB06 (GY/OG), harness side and ground; and between the DLC C251-11, circuit
