Honda Accord: Circuit Diagram
Eighth generation (2008–2012) / Honda Accord MK8 2008-2012 Service Manual / Body Electrical / Immobilizer System / Circuit Diagram

System Description
The vehicle is equipped with a Type Vll (GEN 5) immobilizer system that will
disable the vehicle unless a programmed
ignition key is used.
This system consists of a transponder combined with a k ...
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 Diagnosi ...
See also:
Ignition Timing Inspection
1. Connect the Honda Diagnostic System (HDS) to the
data link connector (DLC) (see step 2 on page 11-3).
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehic ...
Door Key Cylinder Switch Test
1. Remove the driver's door panel (see page 20-17).
2. Disconnect the 10P connector (A) from the door lock
actuator (key cylinder switch) (B).
3. Check for continuity between the terminals.
...
Brightness Control
When the parking lights are turned on and the
ignition switch is in ON (w*1, you can use the
brightness control knob to adjust instrument
panel brightness.
Brighten: Turn the knob to the righ ...