Honda Accord: DTC Troubleshooting
DTC U0155:
Immobilizer-keyless Control Unit Lost Communication With Gauge Control Module
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see page 22-134).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC U0155 Indicated? YES
-Do the gauge control module input test, and do all power, ground, and communication input tests (see page 22-347). If the tests prove OK, replace the gauge control module (see page 22-351 ) . NO
-lntermittent failure, the system is OK at this time.
Check for loose or poor connections at the gauge control module and the related u n i t s .
DTC U0199:
Immobilizer-keyless Control Unit Lost Communication With Door Multiplex Control Unit
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see page 22-134).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC U0199 indicated? YES
-Do the door multiplex control unit input test, and do all power, ground, and communication input tests (see page 22-292). If the tests prove OK, replace the power window master switch, 4-door (see page 22-305), 2-door (see page 22-306).
NO
-lntermittent failure, the system is OK at this time.
Check for loose or poor connections at the door multiplex control unit and the related u n i t s .
DTC U1282: i
mmobilizer-keyless Control Unit Lost Communication With Driver's MICU
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see page 22-134).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
is DTC U1282 indicated? YES
-Do the driver's MICU input test, and do all power, ground, and communication input tests (see page z2-i51). if the tests prove OK, replace the driver's under-dash fuse/relay box, USA models (see page 22-86), Canada models (see page 22-87).
NO-
lntermittent failure, the system is OK at this time.
Check for loose or poor connections at driver's under-dash fuse/relay box connector P (20P) and the related units.
Circuit Diagram
...
Symptom Troubleshooting
Information
General Check Before Troubleshooting
Before troubleshooting the immobilizer system, check the following general
items and solve any if applicable:
• The battery is low; charge the battery ful ...
See also:
Control Unit Input Test
NOTE: Before testing, troubleshoot the multiplex integrated control unit
first, using B-CAN System Diagnosis Test Mode
A (see page 22-134), and make sure the lighting system works properly.
Driver ...
Front Door Sash Inner Trim
Replacement
2-door
NOTE: Take care not to scratch the door.
1. Remove the door panel (see page 20-12).
2. Lower the glass fully.
3. Remove the door sash inner trim (A).
-1. Detach the clip fastening ...
Warm Up TWC Removal/Installation
1. Raise the vehicle on a lift.
2. Remove the secondary H02S (Sensor 2) (see page
11-197).
3. Remove the bolts (A).
4. Remove the WU-TWC bracket (B).
5. Lower the vehicle.
6. Remove th ...