|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
06
|
IGN. COIL CYL1+4
FREQUENCY 2/sec
This test only applies to
vehicles with Direct Ignition Systems DIS as of MY '93
|
Ignition OFF
Connect checking spark plug
(1+4)
Ignition ON
Engine OFF
Press F5 key in the system main
menu, using the arrow keys select the desired test and confirm with YES.
Follow the instructions in the TECH 1 Display.
Note:
The checking spark plug is
actuated at a frequency of 2 Hz (actuation period 10 ms). The test is
completed after a maximum of 30 s.
|
Ignition spark visible at
checking spark plug
|
42,
64
|
D
10/D 1
|
|
Trouble-shooting:
|
Nominal Value:
|
Cause of
Fault:
(If nominal
value is not attained)
|
|
· Ignition OFF
· Remove DIS wiring harness
plug L 2
· Ignition ON
· Activate Actuator Test
No. 06
· Using multimeter, measure
voltage:
from: DIS wiring harness plug Ter. 3
to: ground
|
Alternating
display
0.02 to 0.8
volts
|
· If nominal values are not
attained, carry out test A to D
· If nominal values are
attained, proceed to test E
|
|
Test A
· Ignition ON
· Measure voltage:
from: DIS wiring harness plug Ter. 3
to: ground
|
less than 1
volt
|
· Short circuit in wiring
harness
from: control unit K 57/K 91 Ter. D 10
to: battery voltage
|
|
Test B
· Ignition OFF
· Remove control unit
· Measure resistance:
from: control unit K 57/K 91 Ter. D 10
to: ground
|
greater than 22
kW
|
· Short circuit to ground
in wiring harness
from: control unit K 57/K 91 Ter. D 10
to: ground
|
|
Test C
· Measure resistance:
from: control unit K 57/K 91 Ter. D 10
to: DIS wiring harness plug Ter. 3
|
|
· Lead interruption
from: control unit K 57/K 91 Ter. D 10
to: DIS module Ter. 3
|
|
Test D
If nominal
values are attained, that means wiring harness OK
|
|
· Control unit defective
|
|
Test E
· Ignition ON
· Measure voltage:
from: DIS wiring harness plug Ter. 1
to: ground
|
greater than 11
V
|
· Lead interruption
from: ignition lock Ter. 15
to: DIS module Ter. 1
· Short circuit in wiring
harness
from: ignition lock Ter. 15
to: ground
|
|
· Measure voltage:
from: DIS wiring harness plug Ter. 1
to: DIS wiring harness plug Ter. 2
|
greater than
11 V
|
· Lead interruption
from: DIS module Ter. 2
to: ground
|
|
· If nominal values are
attained
|
|
· DIS module defective
|
|
|
|
|
|
|
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