Dodge Dakota (ND). Manual — part 150
B221F-AMPLIFIER INTERNAL
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Amplifier detects a software checksum test failure.
Possible Causes
AMPLIFIER
Diagnostic Test
1.
REPLACE THE AMPLIFIER
When this code is set, the Amplifier must be replaced.
Repair
Replace the Amplifier in accordance with the Service Information.
Perform the BODY VERIFICATION TEST-VER 1.
8A - 58
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B210D-BATTERY VOLTAGE LOW
For the Occupant Classification System circuit diagram (Refer to 8 - ELECTRICAL/RESTRAINTS - SCHEMATICS
AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
If the module detects that the battery voltage is less than 9.0 volts for 1 second.
Possible Causes
VEHICLE CHARGING SYSTEM
AMPLIFIER
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B210D-BATTERY VOLTAGE
LOW?
Yes
>> Go To
No
>> The conditions that caused this code to set are not
present at this time. Using the wiring diagram/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.
2.
CHECK THE BATTERY VOLTAGE TO THE AMPLIFIER
With the scan tool in Data Display, read Amplifier battery voltage.
Is the battery voltage less than 9.0 volts?
Yes
>> Go To 3
No
>> Replace the Amplifier in accordance with the Service Information.
Perform OCS VERIFICATION TEST - VER 1.
3.
CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM)
With the scan tool in ECU View, select PCM and check for any Charging System related DTCs.
Does the scan tool display any Charging System related DTCs?
Yes
>> Diagnose and repair the DTCs. Refer to (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).
No
>> Replace the Amplifier in accordance with the Service Information.
Perform OCS VERIFICATION TEST - VER 1.
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 59
B210E-BATTERY VOLTAGE HIGH
For the Amplifier circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
If the module detects that the battery voltage is greater 16.5 volts for 1 second.
Possible Causes
VEHICLE CHARGING SYSTEM
AMPLIFIER
Diagnostic Test
1.
CHECK FOR AN INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B210E-BATTERY VOLTAGE
HIGH?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not
present at this time. Using the wiring diagram/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.
2.
CHECK THE BATTERY VOLTAGE TO THE AMPLIFIER
With the scan tool in Data Display, read Amplifier battery voltage.
Is the battery voltage greater than 16.5 volts?
Yes
>> Go To 3
No
>> Replace the Amplifier in accordance with the Service Infor-
mation.
Perform OCS VERIFICATION TEST - VER 1.
8A - 60
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
ND
B210E-BATTERY VOLTAGE HIGH (CONTINUED)
3.
CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM)
With the scan tool in ECU View, select PCM and check for any Charg-
ing System related DTCs.
Does the scan tool display any Charging System related DTCs?
Yes
>> Diagnose and repair the DTCs. Refer to (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING).
No
>> Replace the Amplifier in accordance with the Service Infor-
mation.
Perform OCS VERIFICATION TEST - VER 1.
ND
AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS
8A - 61
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