Visual Inspection Chart
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the
diagnostic tool does not communicate with the vehicle:
check that the program card is correctly installed.
check the connections to the vehicle.
check the ignition switch position.
5. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
6. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
CAN or ISO circuit fault; all electronic control units no response/not equipped, refer to Section 418-00.
No response/not equipped for the instrument cluster, refer to GO to Pinpoint Test A.
No response/not equipped for the SJB, refer to Section 419-10.
No response/not equipped for the RCM, refer to Section 501-20B.
No response/not equipped for the PCM, refer to Section 418-00.
System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out the self-test diagnostics for the instrument
cluster.
7. If the DTCs retrieved are related to the concern, go to the Instrument Cluster Diagnostic Trouble Code (DTC) Index, the Smart Junction Box (SJB) Diagnostic Trouble Code (DTC)
Index, or the Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index.
8. If no DTCs related to the concern are retrieved, GO to Symptom Chart - Instrument Cluster, GO to Symptom Chart - Information And Message Center or GO to Symptom Chart -
Warning Chimes.
Instrument Cluster Diagnostic Trouble Code (DTC) Index
Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
Mechanical Electrical
Accessory drive belt
Brake fluid level
Door ajar switch(es)
Engine coolant level
Engine oil level
Fuel tank
Headlamp switch
Key-in-
ignition warning switch (part of the ignition lock cylinder)
Message center switches
Safety belt switch (part of the buckle)
Trunk ajar switch
Smart junction box (SJB) fuse(s):
8 (10A)
16 (5A)
19 (5A)
Bulb(s)
Circuitry
Message center switches
Restraint control module (RCM)
Smart junction box (SJB)
Instrument cluster
DTC Description Action
B1202 Fuel Sender Circuit Open (fuel pump module
sender)
GO to Pinpoint Test B.
B1204 Fuel Sender Circuit Short to Ground (fuel
pump module sender)
GO to Pinpoint Test B.
B1205 IC Switch 1 Assembly Circuit Failure GO to Pinpoint Test AA.
B1317 Battery Voltage High REFER to Section 414-00 to continue diagnosis of the charging system.
B1318 Battery Voltage Low REFER to Section 414-00 to continue diagnosis of the charging system.
B1342 ECU is Faulted INSTALL a new instrument cluster. REFER to Instrument Cluster (IC) in this section. TEST the system for normal operation.
B1353 Ignition Key-In Circuit Open GO to Pinpoint Test AC.
B1556 Ignition RUN/START Circuit Open GO to Pinpoint Test A.
B1557 Ignition RUN/START Circuit Short to Battery GO to Pinpoint Test A.
B2143 NVM Memory Failure CLEAR the DTCs. REPEAT the self-test. If the DTC is still present, INSTALL a new instrument cluster. REFER to Instrument
Cluster (IC) in this section. TEST the system for normal operation.
B236A Chime Output Circuit Open INSTALL a new instrument cluster. REFER to Instrument Cluster (IC) in this section. TEST the system for normal operation.
B2477 Module Configuration Error REFER to Section 418-01 to continue diagnosis of the configuration.
B2627 Fuel Sender Circuit Open #2 (remote fuel
sender)
GO to Pinpoint Test B.
B2628 Fuel Sender Circuit Short to Ground #2
(remote fuel sender)
GO to Pinpoint Test B.
B2879 Fuel Tank Jet Pump Fault GO to Pinpoint Test B.
B2903 Chime Output Circuit Short to Battery INSTALL a new instrument cluster. REFER to Instrument Cluster (IC) in this section. TEST the system for normal operation.
B2940 Chime Output Circuit Short to Ground INSTALL a new instrument cluster. REFER to Instrument Cluster (IC) in this section. TEST the system for normal operation.
U1900 CAN Communication Bus Fault—Receive
Error
REFER to Section 418-00.
All other
DTCs
— REFER to Section 419-10.
DTC Description Action
2005 Mustang Workshop Manual
http://www.fordtechservice.dealerconnection.com/pubs/content/
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