1. |
The ECM(PCM) (A) carries out a check of the ignition key using
a special encryption algorithm, which is programmed into the transponder
as well as the ECM simultaneously. Only if the results are equal, the
engine can be started. The data of all transponders, which are valid
for the vehicle, are stored in the ECM.
ERN (Encrypted Randorn Number) value between EMS and encrypted
Immobilizer unit is checked and the validity of coded key is decided
by EMS.
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The antenna coil supplies energy to the transponder.
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The antenna coil receives signal from the transponder.
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The antenna coil sends transponder signal to the Immobilizer.
It is located directly on the shroud.
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Troubleshooting
Symptom
Suspect area
Engine will not start or hard to start
Vapor hose damaged or disconnected
Engine struggles to start
Malfunction of the Pu ...
Rear Hub - Carrier Inspection
1.
Check the hub for cracks and the splines for wear.
2.
Check the brake disc for scoring and damage.
3.
C ...
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove
the PCV valve.
2.
Reconnect the PCV valve to the vapor hose.
...