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:
Horn Test/Replacement
1. Remove the grille cover;
•2-door (see page 20-274)
• 4-door (see page 20-274)
2. Disconnect the 1P connector (A) from each horn (B).
3. Test the horn by momentarily connecting L _.t ...
CMP Sensor A Replacement
1. Disconnect the CMP sensor A 3P connector (B).
2. Remove CMP sensor A from the intake camshaft side
of the cylinder head.
3. Install the parts in the reverse order of removal with a
new O-ri ...
Speaker Test/Replacement
Front Door Speaker
1. Remove the door panel.
• 4-door (see page 20-17)
• 2-door (see page 20-12)
2. Remove t h e bolt (A). Then lift the speaker straight up
to release t h e lower cli ...