Honda Accord: 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 keyless transmitter, an immobilizer-keyless control unit (Has built-in receiver), the driver's MICU (has built-in imoes unit), an immobilizer indicator, and the ECM/PCM.
When the immobilizer key (programmed by the HDS) is inserted into the ignition switch and turned to ON (II), the immobilizer-keyless control unit sends power to the transponder. The transponder then sends a coded signal back to the immobilizer-keyless control unit which then sends a coded signal to the ECM/PCM and the driver's MICU (imoes unit).
The ECM/PCM and driver's MICU (imoes unit) identify this coded signal, then voltage is supplied to the fuel pump.
If the wrong key has been used or the code was not received or recognized s, the indicator will flash once, then it will blink until the ignition switch is turned to LOCK (0). When the ignition switch is turned to the LOCK (0) position, the indicator will blink ten times to signal that unit has reset correctly, then the indicator will go off.
Circuit Diagram
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See also:
Power Mirror Actuator Test
1. Remove the mirror mount cover (see page 20-62).
2. Disconnect the 8P connector (A) from the power
mirror actuator (B).
3. Check the actuator operation by connecting battery
power and ground ...
Emissions Testing
Testing of Readiness Codes
Your vehicle uses “readiness codes,” as part of its onboard self diagnostic
system.
Some states refer to these codes during testing to see if your vehicle's
emis ...
Radio Data System (RDS)
On the FM band, you can select a
favorite station and display the
program service name provided by
the radio data system (RDS).
RDS INFO Display
The RDS information display
function shows th ...