|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
01
|
SELECT
ACTUATOR
IGN.
COIL l+4
|
Ignition OFF
Disconnect engine speed plug
Connect checking spark plugs to
ignition cables of
cy]inders 1 and 4
Ignition ON
Engine OFF
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.
Note:
The checking spark plug is actuated at a frequency of 5 Hz
(actuation duration 10 ms). The check is comieted after a maximum of 30 s.
|
Ignition spark visible
at each checking
spark plug
|
-
|
1, 24
|
|
Notes on Trouble - shooting:
|
Nominal Value:
|
Cause of Fault:
|
|
· Disconnect control unit K 61
from wiring harness
· Ignition ON
|
|
|
|
· Using multimeter, measure voltage at
- control
unit K 61 / Ter. 1
- to ground
|
11.5 to 13.5 V
|
· Short
circuit or lead interruption
- from
control unit K 61 / Ter. 1 to ignition coil L 2 / Ter. 3
- from
Ter. 15 to ignition coil Ter. 2
|
|
· Using multimeter, check voltage at
- control
unit K 61 / Ter. 2
- to ground
|
approx. 0 W
|
· Short
circuit or lead interruption from Mototronic control K 61 / Ter. 2 to groung
|
|
Check only with TECH 80 and
DIS checking able:
· Connect
control unit K 61
· Connect
ignition coil L 2
· Connect
primary signal to ignition coil L 2 with adapter and TECH 80 and start engine
|
300 to 400 V
|
· Short circuit or lead interruption from
-
control unit K 61 / Ter. 1 to ignition coil L 2 / Ter. 1
· Ignition coil L 2 defective
· Control unit K 61 defective
|
|
Resistance value of ignition
coil at 0 to 100 °C / 32 to 212 °F:
|
Primary side: Secondary side
|
0.45 to 0.65 W
11 to 16 kW
|
|
|
|
|
|
|
|
|
