|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
03
|
TPS
LOAD SIGNAL
|
Engage parking brake
Selector lever in "P"
"N"
Engine running at idle speed,
operating temperature
Accelerate briefly
Note:
The throttle valve potentiometer
is connected to the relevant engine control unit.
The automatic transmission
receives a calculated signal, proportional to the throttle valve position,
from the engine control unit.
|
7 to 15 %
higher than 15%
Maximum 81% for petrol engines
Maximum 80% for diesel engines
|
57, 71, 74, 76
|
35, 55
|
| Notes
on trouble-shooting: |
|
Nominal value:
|
Cause of fault:
(If nominal value is not
attained)
|
| · Ignition OFF |
|
|
|
| · Ignition ON |
|
|
|
|
· Using multimeter, measure voltage
from: K85
transmission control unit wiring harness plug
Ter.
55 (BRGE)
to: ground
|
lower than
0.1 V
|
· Short circuit to voltage
from: K85
transmission control unitwiring harness plug
Ter.
55 (BRGE)
to: U4.8
ABS&TC control unitwiring harness plug Ter. 5 (BRGE)
(only
X 25 XE / X 30 XE)
to: K61
Motronic control unit wiring harness plug
Ter.
54 (BRGE)
to: K69
Simtec control unit wiring harness plug Ter. 11 (BRGE)
to: K70
DDE control unit wiring harness plug Ter. 40 (BRGE)
|
| · Ignition OFF |
|
|
|
| · Using dwell meter, measure: |
|
about 5 -
10 %
|
|
|
Engine
running at idle speed, operating temperature
Accelerate
briefly
|
about 10 %
higher
than 20 %
|
|
|
Diesel
engines
|
about 15 %
|
|
|
Ignition
ON
Engine
running at idle speed, operating temperature
|
about 22 %
|
|
|
Accelerate
briefly
|
higher
than 40 %
|
· Short circuit to ground or circuit
interruption
from: K85
transmission control unit wiring harness plug
Ter.
55 (BRGE)
to: K61
Motronic control unit wiring harness plug
Ter.
54 (BRGE)
to: K69
Simtec control unit wiring harness plug Ter. 11 (BRGE)
to: K70
DDE control unit wiring harness plug Ter. 40 (BRGE)
· Engine control unit defective
|
| · Ignition OFF |
|
|
|
|
· Ignition ON
|
|
|
|
· Using dwell meter, measure:
With
ignition ON
Engine
running at idle speed, operating
|
about 5 -
10 %
|
|
|
temperature
|
about 10 %
|
· Short circuit to ground or circuit
|
|
Accelerate
briefly
|
higher than 20 %
|
interruption
from: K85
transmission control unit wiring harness plug
Ter.
55 (BRGE)
to: U4.8
ABS&TC control unit wiring harness plug Ter. 5 (BRGE)
· U4.8 ABS&TC control unit defective
|
|
|
If nominal values are attained
|
· K85 transmission control unit defective
|
|
|
|
|
|
|
|
