Dodge Dakota (ND). Manual — part 186
used for the chime warning system requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic
information.
DIAGNOSIS AND TESTING
CHIME WARNING SYSTEM
WARNING: To avoid personal injury or death, on vehicles equipped with airbags, disable the supplemental
restraint system before attempting any steering wheel, steering column, airbag, occupant classification sys-
tem, seat belt tensioner, impact sensor, or instrument panel component diagnosis or service. Disconnect
and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge
before performing further diagnosis or service. This is the only sure way to disable the supplemental
restraint system. Failure to take the proper precautions could result in accidental airbag deployment.
The hard wired chime warning system inputs to the ElectroMechanical Instrument Cluster (EMIC), as well as other
hard wired circuits for this system may be diagnosed and tested using conventional diagnostic tools and procedures.
Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and con-
nector repair procedures, details of wire harness routing and retention, connector pin-out information and location
views for the various wire harness connectors, splices and grounds.
However, conventional diagnostic methods may not prove conclusive in the diagnosis of the EMIC, the Controller
Area Network (CAN) data bus, or the electronic message inputs used by the EMIC to provide chime warning system
service. The most reliable, efficient, and accurate means to diagnose the EMIC, the CAN data bus, and the elec-
tronic message inputs for the chime warning system requires the use of a diagnostic scan tool. Refer to the appro-
priate diagnostic information.
8B - 4
CHIME/BUZZER
ND
ELECTRONIC CONTROL MODULES
TABLE OF CONTENTS
page
page
ELECTRICAL DIAGNOSTICS. . . . . . . . . . . . . . . . . 1
ELECTRONIC CONTROL MODULES - SERVICE
INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . 154
ELECTRONIC CONTROL MODULES - ELECTRICAL
DIAGNOSTICS
TABLE OF CONTENTS
page
page
ELECTRONIC CONTROL MODULES -
ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
B2112-5 VOLT SUPPLY CIRCUIT LOW
B2113-5 VOLT SUPPLY CIRCUIT HIGH
INTERNAL . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
U0021-CAN B BUS (+) CIRCUIT OPEN
U0022-CAN B BUS (+) CIRCUIT LOW
U0023-CAN B BUS (+) CIRCUIT HIGH
U0024-CAN B BUS (-) CIRCUIT OPEN
U0025-CAN B BUS (-) CIRCUIT LOW
U0026-CAN B BUS (-) CIRCUIT HIGH
U0027-CAN B BUS (-) SHORTED TO BUS
(+) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
ECM/PCM . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
U0101-LOST COMMUNICATION WITH TCM
ANTI-LOCK BRAKE SYSTEM (ABS)
CONTROL MODULE . . . . . . . . . . . . . . . . . . . 47
FRONT CONTROL MODULE . . . . . . . . . . . . . 50
OCCUPANT RESTRAINT CONTROLLER
(ORC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
OCCUPANT CLASSIFICATION MODULE . . . . 56
CLUSTER/CCN . . . . . . . . . . . . . . . . . . . . . . . 59
U0156–LOST COMMUNICATION WITH EOM
U0164-LOST COMMUNICATION WITH HVAC
CONTROL MODULE . . . . . . . . . . . . . . . . . . . 65
VEHICLE SECURITY CONTROL MODULE
(SKREEM/WCM) . . . . . . . . . . . . . . . . . . . . . . 68
RADIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
AUDIO AMPLIFIER . . . . . . . . . . . . . . . . . . . . . 74
SDARS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
HANDS FREE PHONE MODULE . . . . . . . . . . 80
U1108-ADDITIONAL CAN B ECU DETECTED
*STORED LOST COMMUNICATION DTCS
*CAN C DIAGNOSTIC (+) AND/OR CAN C
DIAGNOSTIC (-) CIRCUITS HIGH . . . . . . . . . 87
*CAN C DIAGNOSTIC (+) CIRCUIT LOW
*CAN C DIAGNOSTIC (-) CIRCUIT LOW
*CAN C DIAGNOSTIC (+) SHORTED TO
CAN C DIAGNOSTIC (-) . . . . . . . . . . . . . . . . . 93
*CAN C DIAGNOSTIC (-) CIRCUIT OPEN
*CAN C DIAGNOSTIC (+) CIRCUIT OPEN
*BOTH CAN C DIAGNOSTIC (+) AND CAN C
DIAGNOSTIC (-) CIRCUITS OPEN . . . . . . . . 101
*NO RESPONSE FROM ABS (ANTILOCK
BRAKE MODULE) . . . . . . . . . . . . . . . . . . . . 104
*NO RESPONSE FROM AMP (AMPLIFIER)
*NO RESPONSE FROM CCN (CLUSTER)
*NO RESPONSE FROM EOM (ELECTRONIC
OVERHEAD MODULE) . . . . . . . . . . . . . . . . . 116
CONTROL MODULE) . . . . . . . . . . . . . . . . . . 119
*NO RESPONSE FROM HFM (HANDS FREE
MODULE) . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
ND
ELECTRONIC CONTROL MODULES
8E - 1
*NO RESPONSE FROM HVAC (A/C HEATER
CONTROL) . . . . . . . . . . . . . . . . . . . . . . . . . . 126
*NO RESPONSE FROM OCM (OCCUPANT
CLASSIFICATION MODULE) . . . . . . . . . . . . 129
*NO RESPONSE FROM ORC (OCCUPANT
RESTRAINT CONTROLLER) . . . . . . . . . . . . 133
(POWERTRAIN CONTROL MODULE) . . . . . . 137
*NO RESPONSE FROM SDAR (SATELLITE
RECEIVER) . . . . . . . . . . . . . . . . . . . . . . . . . 144
(POWERTRAIN CONTROL MODULE) . . . . . . 147
*NO RESPONSE FROM WCM (SENTRY KEY
REMOTE ENTRY MODULE) . . . . . . . . . . . . . 150
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
8E - 2
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
ND
B210D-BATTERY VOLTAGE LOW
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
Battery voltage less than 9 volts for more than 15 seconds.
Possible Causes
RESISTANCE IN THE (A1) BATTERY POSITIVE CIRCUIT
RESISTANCE IN THE GENERATOR CASE GROUND
GENERATOR OPERATION
(K20) GENERATOR FIELD CONTROL CIRCUIT OPEN
(K20) GENERATOR FIELD CONTROL CIRCUIT SHORTED TO GROUND
(Z20) GROUND CIRCUIT OPEN
PCM
Diagnostic Test
1.
CHECK FOR ANY POWERTRAIN CONTROL MODULES DTCS
NOTE: Make sure the Battery is in good condition. Using the Midtronics Battery Tester, test the Battery
before continuing.
NOTE: Inspect the vehicle for after market accessories that may exceed the Generator System output.
NOTE: Make sure the generator drive belt is in good operating condition.
NOTE: Inspect the fuses in the IPM. If an open fuse is found, use the wire diagram/schematic as a guide,
inspect the wiring and connectors for damage.
Turn the ignition on.
With the scan tool, read active PCM DTC’s.
Does the scan tool display any active PCM DTC’s?
Yes
>> (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) for the diagnostic test procedure.
No
>> Check the above conditions that can cause a low voltage condition. Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1).
ND
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
8E - 3
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