DTC B119F:13 [CONNECTIVITY MASTER UNIT]


id0902n7104000

Description

GPS antenna circuit malfunction

Detection condition
•  The connectivity master unit (CMU) detects an open circuit in the GPS antenna circuit with the ignition switched ON (engine off or on).
Fail-safe
Not applicable
Possible cause
•  Connectivity master unit (CMU) connector or terminal malfunction
•  GPS antenna malfunction
•  Connectivity master unit (CMU) malfunction

Diagnostic Procedure

Step

Inspection

Action

1
INSPECT CONNECTIVITY MASTER UNIT (CMU) CONNECTOR CONDITION
•  Switch the ignition off.
•  Disconnect the negative battery terminal.
•  Disconnect the connectivity master unit (CMU) connector.
•  Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is the connector normal?
Yes
Go to the next step.
No
Repair or replace the connector, then go to Step 3.
2
VERIFY IF MALFUNCTIONING LOCATION IS GPS ANTENNA DEPENDING ON REPEATABILITY
•  Always reconnect all disconnected connectors.
•  Connect the negative battery terminal.
•  Clear the DTC for the connectivity master unit (CMU) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 7 s or more.
•  Retrieve the connectivity master unit (CMU) DTCs using the M-MDS.
•  Is the same Pending DTC present?
Yes
Replace the GPS antenna, then go to the next step.
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Always reconnect all disconnected connectors.
•  Connect the negative battery terminal.
•  Clear the DTC for the connectivity master unit (CMU) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 7 s or more.
•  Retrieve the connectivity master unit (CMU) DTCs using the M-MDS.
•  Is the same Pending DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the connectivity master unit (CMU).
Go to the next step.
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.