2006 ACURA CSX headlight

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) MICUDTC Description DTC typePage
22-77
DTC Troubleshooting Index
NOTE: Check the ECM/PCM for DTCs and troubleshoot ECM/PCM (see page 11-3) or F-CAN loss of communication
errors first, then record all DTCs, and sort them by DTC type using the DTC troubleshooting index, then troubleshoot
the DTC(s) in this order.
 Battery voltage DTCs
 Internal error DTCs
 Loss of communication DTCs (beginning with the lowest number first; for example, if B1008 and B1011 are retrieved, troubleshoot B 1008 first).
 Signal error DTCs
B1000 Communication bus line error (BUS-OFF) Loss of communication(see page 22-102)
B1001 MICU internal error (CPU error) (’06-08 models) Internal error (see page 22-103)
B1002 MICU internal error ( EEPROM error) Internal error (see page 22-103)
B1008 MICU lost communication with gauge control m odule (A/T
message) Loss of
communication(see page 22-104)
B1011 MICU lost communication with gauge control m odule (VSP/NE
message) Loss of
communication(see page 22-104)
B1026 Front passenger’s door lock switch LOCK/UNLOCK signal error Signal error (see page 22-120)
B1032 MICU lost communication with the SRS unit (CDS message) CDS (Collision detection signal) input circuit malfunction (’06-07
models) Signal error (see page 22-105)
B1036 IG1 line input error Signal error (see page 22-105)
B1077 Windshield wiper (As) signal error Signal error (see page 22-224)
B1078 Daytime r unning lights signal error Signal error (see page 22-157)
B1127 Driver’s door key cylinder switch signal error Signal error (see page 22-121)
B1128 Driver’s door lock switch signal error Signal error (see page 22-123)
B1129 Driver’s door lock knob switch signal error Signal error (see page 22-124)
B1275 Combination light switch OFF position circuit malfunction (’07- 09 models) Signal error (see page 22-159)
B1276 Combination light switch parking (SMALL) position circuit malfunction (’07-09 models) Signal error (see page 22-159)
B1278 Headlight switch ON position circuit malfunction (’07-09 models) Signal error (see page 22-159)
B1279 Headlight switch DIMMER position circuit malfunction (’07-09 models) Signal error (see page 22-161)
B1280 Turn signal switch circuit malfunction (’07-09 models) Signal error (see page 22-186)
B1281 Windshield wiper switch MIST position circuit malfunction (’07- 09 models) Signal error (see page 22-226)
B1282 Windshield wiper switch INT position circuit malfunction (’07-09 models) Signal error (see page 22-226)
B1283 Windshield wiper switch LOW position circuit malfunction (’07- 09 models) Signal error (see page 22-226)
B1284 Windshield wiper switch HIGH position circuit malfunction (’07- 09 models) Signal error (see page 22-226)
(cont’d)
08/08/21 14:24:07 61SNR030_220_0079
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DYNOMITE -2009-

Gauge Control ModuleDTC Description DTC typePage
22-78Multiplex Integrated Control System
DTC Troubleshooting Index (cont’d)
B1150 Communication bus line error (BUS-OFF)
Loss of
communication (see page 22-106)
B1152 Gauge control m odule internal error (EEPROM error) Internal error (see page 22-262)
B1155 Gauge control m odule lost communication with the MICU
(Headlight switch message) Loss of
communication(see page 22-263)
B1156 Gauge control m odule lost communication with the MICU
(Wiper switch message) Loss of
communication(see page 22-263)
B1157 Gauge control m odule lost communication with the MICU
(MICU message) Loss of
communication(see page 22-264)
B1159 Gauge control m odule lost communication with the MICU
(DOORSW message) Loss of
communication(see page 22-263)
B1160 Gauge control m odule lost communication with the MICU
(DRLOCKSW message) Loss of
communication(see page 22-264)
B1168 Gauge control m odule lost communication with the ECM/PCM
(Engine messages) Loss of
communication(see page 22-265)
B1169 Gauge control m odule lost communication with the PCM (A/T
message) Loss of
communication(see page 22-265)
B1170 Gauge control m odule lost communication with ABS/VSA
modulator-control unit (ABS/VSA message) Loss of
communication(see page 22-265)
B1173 Gauge control m odule lost communication with the TPMS
control unit (TMPS message) (’08-09 models) Loss of
communication(see page 22-266)
B1175 Fuel level sensor (Fuel gauge sending unit) circuit open Signal error (see page 22-267)
B1176 Fuel level sensor (Fuel gauge sending unit) circuit short Signal error (see page 22-268)
B1177 Battery voltage a bnormal (’06 model) Battery voltage (see page 22-269)
B1178 F-CAN communication line error Loss of
communication (see page 22-265)
B1183 Gauge control m odule lost communication with EPS control unit
(EPS message) Loss of
communication(see page 22-270)
B1187 Gauge control m odule lost communication with the SRS unit
(SRS message) Loss of
communication(see page 22-265)
B1188 Gauge control m odule lost communication with the MICU (RM
message) Loss of
communication(see page 22-263)
08/08/21 14:24:07 61SNR030_220_0080
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DYNOMITE -2009-

Power Supply Voltage Monitoring Function
Entry Lights Control System
Lighting System (Headlights, Parking Lights, Fog Lights, Side Marker Lights, License Plate
Lights, and Taillights)
Daytime Running Lights
Turn Signal/Hazard Warning Lights
Door Lock Response Operation
Power Window Key-off Operation
InputOutput
Input Output
Input Output
Input Output
Input Output
Input Output
Input Output
22-85
The MICU monitors the power supply voltage (back-up voltage). If the voltage goes below 10 V, the MICU sends a MICU message and will not
store DTCs.
MICU Battery voltage MICU : MICU internal circuit
The MICU controls the ceiling light ON/OFF and dimming based upon input signals from each switch. MICU IG1 power supply Ignition key switch
Driver’s door switch
Front passenger’s door switch
Left rear door switch
Right rear door switch
Driver’s door lock knob switch (LOCK) Interior light
B-CAN Keyless LOCK signal
The MICU contains the relay circuits for the headlight high/low beams and taillights, and controls the lighting system ON/OFF based upon input
signals from the combination light switch. MICU Headlight OFF switch Headlight ON switch
Fog light switch
Dimmer switch
Combination light switch (parking lights, side marker lights,
license plate lights, and taillights)
Passing switch Headlights (low beam)
Headlights (high beam)
Parking lights
Fog lights
Side marker lights
License plate lights
Taillights
The MICU controls the exterior lights as a daytime running lights based upon input signals from each switch. MICU Headlight OFF switch Headlight ON switch
Dimmer switch
Combination light switch (parking lights, side marker lights,
license plate lights, and taillights)
Passing switch Headlights (low beam)
Headlights (high beam)
Parking lights
Slide marker lights
License plate lights
Taillights
B-CAN Transmission range switch (P position)
The MICU controls the turn signal/hazard warning lights based upon input signals from the turn signal and hazard warning switches. MICU IG1 power supply Turn signal switch (left/right)
Hazard warning switch Turn signal lights (left/right)
The MICU controls the door lock actuators based upon B-CAN signals. B-CAN Door lock signals Door lock actuator (LOCK/UNLOCK) Driver’s door lock actuator (UNLOCK)
Trunk lid release actuator
The MICU controls the power windows key-off operation based upon input signals from each switch. MICU IG1 power supply Ignition key switch
Driver’s door switch
Front passenger’s door switch Power window key-off timer
(cont’d)
08/08/21 14:24:09 61SNR030_220_0087
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DYNOMITE -2009-

Power Door Locks (Vehicle Speed Sense)
Power Door Locks (Normally LOCK/UNLOCK Operation)
Keyless Entry System
Keyless PANIC
InputOutput
Input Output
Input Output
Input Output
22-86Multiplex Integrated Control System
System Description (cont’d)
The MICU controls the door lock actuators based upon B-CAN signals and input signals from each switch.
MICU IG1 power supply Driver’s door switch
Front passenger’s door switch
Left rear door switch
Right rear door switch
Trunk lid latch switch
Driver’s door lock knob switch (UNLOCK)
Front passenger’s door lock knob switch (UNLOCK)
Left rear door lock knob switch (UNLOCK)
Right rear door lock knob switch (UNLOCK)
Transmission range switch (P position) Door lock (LOCK)
B-CAN Vehicle speed pulse Engine RPM
The MICU controls the door lock actuators based upon input signals from each switch. MICU IG1 power supply Ignition key switch
Driver’s door switch
Front passenger’s door switch
Left rear door switch
Right rear door switch
Trunk lid latch switch
Driver’s door lock knob switch (LOCK)
Driver’s door lock switch (LOCK/UNLOCK)
Driver’s door key cylinder switch (UNLOCK)
Front passenger’s door lock switch (LOCK/UNLOCK) Door lock actuators (LOCK/UNLOCK)
The MICU controls the door lock actuators based upon B-CAN signals and input signals from each switch. MICU IG1 power supply Ignition key switch
Driver’s door switch
Front passenger’s door switch
Left rear door switch
Right rear door switch
Trunk lid latch switch
Driver’s door lock knob switch (LOCK/UNLOCK)
Driver’s door lock switch (LOCK/UNLOCK)
Driver’s door key cylinder switch (UNLOCK)
Front passenger’s door lock switch (LOCK/UNLOCK)
Transmission range switch (P position) Door lock actuator (LOCK/UNLOCK)
Driver’s door lock actuator (UNLOCK)
Trunk lid release actuator
B-CAN Keyless LOCK signal
The MICU controls the keyless PANIC based upon B-CAN signals. B-CAN Keyless PANIC signal (action, headlight low, parking light and horn) Headlights (low beam)
Parking lights
Side marker lights
License plate lights
Taillights
Horn
08/08/21 14:24:09 61SNR030_220_0088
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Security Alarm System
Key-in Reminder
Key Interlock (A/T)
Answer Back Response Operation
Wiper/Washer
Collision Detection Signal (CDS)
InputOutput
Input Output
Input Output
Input Output
Input Output
Input Output
22-87
The MICU controls the lighting system and horn based upon B-CAN signals and input signals from the each switch.
MICU IG1 power supply Ignition key switch
Audio switch
Driver’s door switch
Front passenger’s door switch
Left rear door switch
Right rear door switch
Trunk lid latch switch
Driver’s door key cylinder switch (UNLOCK)
Driver’s door lock knob switch (UNLOCK)
Front passenger’s door lock knob switch (UNLOCK)
Left rear door lock knob switch (UNLOCK)
Right rear door lock knob switch (UNLOCK)
Hood switch Horn
Headlights
Parking lights
Side marker lights
License plate lights
Taillights
B-CAN Keyless LOCK signal Door lock signal
The MICU controls the door lock actuators based upon ignition key switch, the driver’s door switch, and driver’s door lock knob switch signals. MICU Ignition key switch Driver’s door switch
Driver’s door lock knob switch Door lock actuator (LOCK/UNLOCK)
Driver’s door lock actuator (UNLOCK)
The MICU controls the key interlock solenoid based upon IG1, transmission range switch, and park-pin switch signals. MICU Ignition switch ACC Transmission range switch (P position)
Park-pin switch Key interlock solenoid
The MICU controls the lighting system and horn based upon B-CAN signals. B-CAN Answer back signals (headlight low, horn, parking lights) Horn Headlights
Parking lights
Side marker lights
License plate lights
Taillights
The MICU controls the wiper motor and the washer motor based upon IG1 and wiper/washer switch signals. MICU IG1 power supply Wiperswitch(INTandLO)
Wiper switch (LO and HI)
Wiper switch (MIST)
Washer switch
Wiper intermittent speed Wiper motor
Washer motor
The MICU controls the door lock actuators based upon IG1 and B-CAN signals. MICU IG1 power supply Door lock (LOCK/UNLOCK)
B-CAN SRS signal (front, side and rear) Impact sensors
(cont’d)
08/08/21 14:24:09 61SNR030_220_0089
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DYNOMITE -2009-

System MenuData List Data List Indication
22-89
LightingDriver’s Door Switch OFF/ON
Hazard Switch OFF/ON
Headlight Switch (OFF) OFF/ON
Headlight Switch (PARKING) OFF/ON
Headlight Switch (HEADLIGHT) OFF/ON
Headlight Switch (High Beam) OFF/ON
Headlight Switch (PASSING) OFF/ON
Turn Signal Switch (LEFT) OFF/ON
Turn Signal Switch (RIGHT) OFF/ON
Fog Light Switch OFF/ON
Ignition Key Cylinder Light Command OFF/ON
Interior Light Command OFF/ON
Left Turn Signal Command OFF/ON
Right Turn Signal Command OFF/ON
Headlight Command OFF/ON
Headlight High Beam Command OFF/ON
Parking Light Command OFF/ON
Fog Light Command OFF/ON
DRL Command OFF/ON
Door Locks Driver’s Door Switch OFF/ON
Front Passenger’s Door Switch OFF/ON
Driver’s Rear Door Switch OFF/ON
Passenger’s Rear Door Switch OFF/ON
Front Passenger’s Door Lock Sw. (LOCK) OFF/ON
Front Passenger’s Door Lock Sw. (UNLOCK) OFF/ON
Front Passenger’s Door Lock Knob Sw. (UNLOCK) OFF/ON
Driver’s Rear Door Lock Knob Switch (UNLOCK) OFF/ON
Passenger’s Rear Door Lock Knob Sw. (UNLOCK) OFF/ON
Driver’s Door Key Cylinder Switch (LOCK) OFF/ON
Driver’s Door Key Cylinder Switch (UNLOCK) OFF/ON
Driver’s Door Lock Switch (LOCK) OFF/ON
Driver’s Door Lock Switch (UNLOCK) OFF/ON
Driver’s Door Lock Knob Switch (LOCK) OFF/ON
Driver’s Door Lock Knob Switch (UNLOCK) OFF/ON
Door LOCK Command OFF/ON
Door UNLOCK Command OFF/ON
Driver’s Door UNLOCK Command OFF/ON
(cont’d)
08/08/21 14:24:58 61SNR030_220_0091
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DYNOMITE -2009-

System MenuData List Data List Indication
22-91
SecurityIgnition Key Cylinder Switch OFF/ON
Driver’s Door Switch OFF/ON
Front Passenger’s Door Switch OFF/ON
Driver’s Rear Door Switch OFF/ON
Passenger’s Rear Door Switch OFF/ON
Trunk Lid/Tailgate Switch OFF/ON
Front Passenger’s Door Lock Sw. (LOCK) OFF/ON
Front Passenger’s Door Lock Sw. (UNLOCK) OFF/ON
Front Passenger’s Door Lock Knob Sw. (UNLOCK) OFF/ON
Driver’s Rear Door Lock Knob Switch (UNLOCK) OFF/ON
Passenger’s Rear Door Lock Knob Sw. (UNLOCK) OFF/ON
Trunk Key Cylinder (UNLOCK) OFF/ON
Radio Switch OFF/ON
Hazard Switch OFF/ON
Hood Switch OFF/ON
Driver’s Door Key Cylinder Switch (LOCK) OFF/ON
Driver’s Door Key Cylinder Switch (UNLOCK) OFF/ON
Driver’s Door Look Switch (LOCK) OFF/ON
Driver’s Door Look Switch (UNLOCK) OFF/ON
Driver’s Door Look Knob Switch (LOCK) OFF/ON
Driver’s Door Look Knob Switch (UNLOCK) OFF/ON
Door LOCK Command OFF/ON
Door UNLOCK Command OFF/ON
Driver’s Door UNLOCK Command OFF/ON
Security Hazard Signal Command OFF/ON
Headlight Command OFF/ON
Headlight High Beam Command OFF/ON
Parking Light Command OFF/ON
(cont’d)
08/08/21 14:24:58 61SNR030_220_0093
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DYNOMITE -2009-

•••
Function Test:
System Menu Data List Indication Data List and Operation Time
22-92Multiplex Integrated Control System
System Description (cont’d)
Door Locks
LOCK all doors Outputs LOCK signal 1 time (0.6 sec) to all doors
UNLOCK driver’s side door Outputs UNLOCK signal 1 time (0.6 sec) to driver’s
door
UNLOCK all doors Outputs UNLOCK signal 1 time (0.6 sec) to all doors
Lighting Interior Light Command Illuminates for 30 seconds.
LEFT Turn Signal Command Blinks for 5 seconds.
RIGHT Turn Signal Command Blinks for 5 seconds.
Hazard flasher Blinks turn signal (left and right) for 15 seconds.
Headlight Command Operates headlight (low) for 15 seconds.
Headlight HIGH Beam Command Operates headlight (high) for 15 seconds.
Fog Light Operates fog light relay for 15 seconds.
Parking Light Command Operates small lights for 15 seconds.
Keyless Trunk Lid/Tailgate Release Command Unlock trunk
Security Horn Command Operates horn for 1 second.
Wipers Windshield Wiper Motor LOW Command Operates windshield wiper motor for 5 seconds (low
speed).
Windshield Wiper Motor HIGH Command Operates windshield wiper motor for 5 seconds (high
speed).
Windshield Washer Command Operates windshield washer motor for 5 seconds.
Gauges Self Diagnostic Test
08/08/21 14:24:58 61SNR030_220_0094
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