Dodge Nitro. Manual — part 782
each relay until the terminals are fully seated.
3. Close the cover (1) of the diesel accessory fuse/relay block.
4. Reconnect the negative battery cable.
2007 Dodge Nitro R/T
2007 HVAC Heating & Air Conditioning - Service Information - Nitro
2007 ENGINE
Ignition Control - Electrical Diagnostics - Nitro
DIAGNOSTIC CODE INDEX
DIAGNOSTIC CODE INDEX
IGNITION CONTROL- ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
B2101-IGNITION RUN/START INPUT CIRCUIT LOW
DTC
Description
B2101
IGNITION RUN/START INPUT CIRCUIT LOW
B2102
IGNITION RUN/START INPUT CIRCUIT HIGH
B210D
BATTERY VOLTAGE LOW
B210E
BATTERY VOLTAGE HIGH
B219A
IGNITION UNLOCK RUN/START CONTROL CIRCUIT OVERCURRENT
B2206
CURRENT VIN MISSING/MISMATCH
B222C
VEHICLE CONFIGURATION NOT PROGRAMMED
U0100
LOST COMMUNICATION WITH ECM/PCM
U0101
LOST COMMUNICATION WITH TCM
U0114
LOST COMMUNICATION WITH FINAL DRIVE CONTROL MODULE
U0121
LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE
U0151
LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER
U0154
LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
U0155
LOST COMMUNICATION WITH CLUSTER/CCN
U0164
LOST COMMUNICATION WITH HVAC CONTROL MODULE
U0168
LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE
(SKREEM/WCM)
U0184
LOST COMMUNICATION WITH RADIO
U0186
LOST COMMUNICATION WITH AUDIO AMPLIFIER
2007 Dodge Nitro R/T
2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro
2007 Dodge Nitro R/T
2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro
Fig. 1: Identifying Ignition Run/Start Input Circuit
Courtesy of CHRYSLER LLC
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.
When Monitored:
2007 Dodge Nitro R/T
2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro
With the ignition switch on.
Set Condition:
The WCM/WIN (SKREEM) Module has detected the ignition switch input voltage below a calibrated
value.
Diagnostic Test
1) CHECK FOR ACTIVE DTC
Turn the ignition on.
With a scan tool, read, record and erase TIPM DTCs.
Turn the ignition off for 30 seconds, then back on.
Using the scan tool, read TIPM DTCs.
Does the scan tool display this DTC as active?
Yes
Go to 2).
No
The condition that caused this code to set is not present at this time. Check for an intermittent
condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken
wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or
contaminated terminals.
Perform BODY VERIFICATION TEST - VER 1 .
2) (F20) IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN
Possible Causes
(F20) IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN
(A106) FUSED B+ SHORTED TO GROUND
IGNITION SWITCH
TIPM
2007 Dodge Nitro R/T
2007 ENGINE Ignition Control - Electrical Diagnostics - Nitro
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