Rear Redundant Control Module (Rrcm) Diagnostic Trouble Code Index; Electronic Automatic Temperature Control Module Trouble Code Index; Symptom Chart - Lincoln 2006 Town Car Workshop Manual

2006 Town Car Workshop Manual
P1474 Low speed fan internal driver failure
P1479 High speed fan internal driver failure
P1464 A/C demand out of self-test range
Rear Redundant Control Module (RRCM) Diagnostic Trouble Code (DTC) Index
DTC Description
B113D Rear climate control switch stuck
B113E Rear climate control switch circuit short to ground
B113F Rear climate control switch circuit short to battery
U1178 SCP (J1850) Invalid or missing data for climate control REFER to
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
EATC Self-
DTC Test Faults Description
B2266 2266 Driver side blend door failure or short
B2267 2267 Passenger side blend door failure or
short
B1251 1251 In-vehicle temperature sensor open
circuit
B1253 1253 In-vehicle temperature sensor short to
ground
B1255 1255 Ambient temperature sensor open
circuit
B1257 1257 Ambient temperature sensor short to
ground
B1259 1259 A/C solar radiation sensor open circuit
B1261 1261 A/C solar radiation sensor circuit short
to ground
B1242 1242 Recirc door short/failure
B1263 1263 Panel/defrost door short/failure
B1264 1264 Floor door short/failure
B2268 2268 Steering wheel auxiliary control switch
open circuit
B2269 2269 Steering wheel auxiliary control switch
circuit short to ground
U1040 1040 SCP invalid or missing data for
function read vehicle speed
U1073 N/A SCP invalid or missing data for engine
coolant
U1112 1112 SCP invalid or missing data for interior
lamps
B1342 1342 Module faulted
B1200 1200 Stuck button
B2477 2477 Module not configured — LHD only
B1676 1676 Voltage out of range

Symptom Chart

SYMPTOM CHART
Condition
The steering wheel control
switch is inoperative/does not
operate correctly
No communication with the
electronic automatic
temperature control (EATC)
module
The EATC system is
inoperative, intermittent or
incorrect operation
Insufficient air conditioning (A/C)
cooling
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS6G/~MUS~LEN/19/...
REFER to the Powertrain Control/Emissions Diagnosis (PC/ED) manual.
REFER to the Powertrain Control/Emissions Diagnosis (PC/ED) manual.
REFER to the Powertrain Control/Emissions Diagnosis (PC/ED) manual.
INSTALL a new rear climate control switch. TEST the system for normal operation.
GO to Pinpoint Test O.
GO to Pinpoint Test P.
Section 418-00 to diagnose a network concern.
GO to Pinpoint Test A.
GO to Pinpoint Test A.
GO to Pinpoint Test B.
GO to Pinpoint Test B.
GO to Pinpoint Test C.
GO to Pinpoint Test C.
GO to Pinpoint Test D.
GO to Pinpoint Test D.
GO to Pinpoint Test E.
GO to Pinpoint Test F.
GO to Pinpoint Test F.
If vehicle is not equipped with steering wheel control switches, ignore this code and continue diagnosis. If vehicle is
equipped with steering wheel control switches,
GO to Pinpoint Test G.
If DTCs are present in the instrument cluster, diagnose those codes first. CLEAR the DTCs. If the EATC DTC returns,
INSTALL a new EATC module. REFER to
If no DTCs are present in the instrument cluster, CLEAR the DTCs. If the EATC DTC returns, INSTALL a new EATC
module. REFER to Section
If DTCs are present in the instrument cluster, diagnose those codes first. CLEAR the DTCs. If the EATC DTC returns,
INSTALL a new EATC module. REFER to
If no DTCs are present in the instrument cluster, CLEAR the DTCs. If the EATC DTC returns, INSTALL a new EATC
module. REFER to Section
GO to Section 417-02, Inspection and Verification to continue diagnosis.
Button held too long may set DTC. Attempt to clean buttons. If code returns, INSTALL a new EATC module. REFER to
Section 412-01.
INSTALL a new EATC module. REFER to
CONFIGURE the EATC module. REFER to
GO to Pinpoint Test H.
Possible Sources
Circuitry short/open GO to Pinpoint Test
Steering wheel control
switch
EATC module
Fuse(s) GO to Pinpoint Test
Circuitry short/open
EATC module
communication
network
Fuse(s) GO to Pinpoint Test
Circuitry short/open
Input sensor(s)/erratic
input signals
Automatic temperature
control sensor hose
and elbow
Restricted A/C GO to Refrigerant System Tests
evaporator core orifice
Action
Action to take
GO to Pinpoint Test G.
Section 412-01.
412-01. TEST the system for normal operation.
Section 412-01. TEST the system for normal operation.
412-01. TEST the system for normal operation.
Section 412-01.
Section 418-01.
Action
G.
H.
I.
in this section.
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12/30/2011