Multec-M (14 SE / C 14 SE / C 16 SE) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 06 | TPS SIGNAL | Ignition ON |
Engine throttle valve CLOSED
(accelerator pedal in idle position)
Engine throttle valve OPEN
(accelerator pedal fully depressed)
0 to 1.5 %
0.3 to 1.0 V
approx. 100 %
| 4.0 to 4.8 V | 21,22 | B 8, A 8/ D 2 | |
|---|---|---|---|
| Trouble-shooting: | Nominal Value: | Cause of Fault: | |
| (If nominal value is not attained) |
· Ignition OFF
· Disconnect plug from throttle valve potentiometer P 34.
· Disconnect plug from intake manifold pressure sensor P 23.
· Ignition ON
0 volts
| · Short circuit in wiring harness |
from: throttle valve potentiometer P 23 Ter. A (+ 5 volts)
| to: throttle valve potentiometer P 23 Ter. C (input) |
· Ignition OFF
· Bridge throttle valve potentiometer P 34:
from: wiring harness plug Ter. A
to: wiring harness plug Ter. C
· Ignition ON
| 4.7 to 5.1 volts | · Short circuit in wiring harness |
from: throttle valve potentiometer P 34 Ter. B (ground)
to: throttle valve potentiometer P 34 Ter. C (input)
· Lead interruption
from: control unit K 57/K 91 Ter. A 8 (input)
to: throttle valve potentiometer P 34 Ter. C
or
from: control unit K 57/K 91 Ter. B 8 (+ 5 volts)
to: throttle valve potentiometer P34 Ter. A
· Ignition OFF
· Connect intake manifold pressure sensor plug P 23
| · Ignition ON | |
|---|---|
| 4.7 to 5.1 volts | · Intake manifold pressure sensor P 23 defective |
· Ignition OFF
· Remove throttle valve potentiometer P 34
· Check throttle valve potentiometer wiring harness plug P 34 and for corrosion
| OK | · Dampness in wiring harness/potentiometer |
· Using multimeter, measure voltage:
from: throttle valve potentiometer Ter. B
to: throttle valve potentiometer Ter. C
· Slowly open throttle valve closed:
open:
1.0 to 3.0 kW
5.0 to 10.0 kW
| · Throttle valve potentiometer defective |
· Ignition OFF
· Using multimeter, measure voltage:
from: octane number plug X 15 Ter. B (BR)
to: throttle valve potentiometer P 34 Ter. B
Passage
(less than 3 W)
| · Lead interruption |
from: octane number plug X 15 Ter. B (BR)
to: throttle valve potentiometer P 34 Ter. B
· Test step 02: octane number
| OK | · See: test step 02 octane number |
· Lead interruption
from: octane number plug X 15 Ter. B (BR)
to: control unit K 57/91 Ter. D 2
or
from: throttle valve potentiometer P 34 Ter. B
to: control unit K 57/91 Ter. D 2
· Control unit defective