Motronic Quick Check F5:ACTUATOR TEST
IMMO.SIG. TEST
| Conditions for Checking | Nominal Value |
Affected terminals: 9, 22
Possible trouble codes: 143, 144, 145
Press key F5 in the system main menu, select the desired test using the arrow keys and confirm with YES. Follow the instructions in the TECH 1 display.
Ignition OFF
Wait for 12 seconds
Note:
Before the ignition is switched on, a waiting period of at least 12 seconds must have elapsed since the last time the ignition was switched off, as otherwise the engine control unit does not send a new request to the immobiliser control unit for the imo signal (control unit run-on period).
Ignition ON
| Note: |
After the ignition is switched on, the engine control unit requests the imo signal from the immobiliser control unit and evaluates the received code. TECH 1 shows the display on the right:
| IMMO.SIGNAL TEST |
ACTIVE
| PLEASE WAIT |
If the display on the right appears during the test, the immobiliser control unit is not present.
| IMMO.SIGNAL TEST |
NO IMMOBILISER!
| If the immobiliser control unit is not programmed, TECH 1 shows the following display: | IMMO.SIGNAL TEST |
PROGRAM
IMMOBILISER!
If no imo signal is received from the immobiliser control unit, TECH 1 shows the display on the right:
| IMMO.SIGNAL TEST |
NO SIGNAL
RECEIVED!
If an incorrect imo signal is received from the immobiliser control unit, TECH 1 shows the display on the right:
| IMMO.SIGNAL TEST |
WRONG SIGNAL
| RECEIVED! |