Multec (X 12 SZ / X 16 SZ) F0: DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 16 | EGR POSITION CMD | Engine running at idle speed, operating temperature | |||
| Vehicle travelling at approx. 20 km / h (12.5 mph) | 0 % | ||||
| greater than 1 % | 47 | A 9 | |||
| Trouble - shooting: | Nominal Value: | Cause of Fault: |
(If nominal value is not attained)
Part 1
· Ignition OFF
· Remove plugs from the throttle valve potentiometer P 34, intake manifold pressure sensor P 23.
coolant temperature sensor P 30, exhaust gas recirculation valve Y 18, exhaust gas recirculation module V 15 and control unit K 57.
· Ignition ON
· Measure voltage:
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. A
to: ground and
| to: wiring harness plug, exhaust gas recirculation module V 15 Ter. D | greater than 11 V |
|---|---|
| greater than 11 V | · Lead interruption |
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. A
to: ignition lock S 1 Ter. 15
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. D
from: ground
· Short circuit in wiring harness
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. A
from: ground
· Measure voltage:
from: ground
| to: wiring harness plug, exhaust gas recirculation module V 15 Ter. D, B, and C | less than 0.1 V | · Short circuit in wiring harness |
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. D
to: wiring harness plug, exhaust gas recirculation module V 15 Ter. A
from: battery +
to: wiring harness plug, exhaust gas recirculation module V 15 Ter. B
to: wiring harness plug, exhaust gas recirculation module V 15 Ter. C
· Ignition OFF
· Using multimeter, measure resistance:
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. B
to: ground and Ter. C
| greater than 100 kW | · Short circuit in wiring harness |
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. B
to: ground
to: wiring harness plug, exhaust gas recirculation module V 15 Ter. C
· Measure resistance:
from: control unit plug K 57 Ter. A 9
to: wiring harness plug, exhaust gas recirculation module V 15 Ter. B
| less than 2 W | · Lead interruption |
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. B
to: control unit K 57 Ter. A 9
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. C
| to: ground and | greater than 100 kW | · Short circuit in wiring harness |
from: wiring harness plug, exhaust gas recirculation module V 15 Ter. C
to: ground
| to: wiring harness plug, exhaust gas recirculation valve Y 18 Ter. A | less than 2 W | · Lead interruption |
from: wiring harness plug, exhaust gas recirculation valve Y 18 Ter. A
to: wiring harness plug, exhaust gas recirculation module V 15 Ter. C
from: exhaust gas recirculation module V 15 Ter. A (ground contact, multimeter)
to: exhaust gas recirculation module V 15 Ter. B (V / W contact, multimeter)
| 2 kW ± 200 W | · Exhaust gas recirculation module V 15 defective. |
from: exhaust gas recirculation module V 15 Ter. C (ground contact, multimeter)
to: exhaust gas recirculation module V 15 Ter. A, B. D (V / W contact, multimeter)
| greater than 100 kW | · Exhaust gas recirculation module V 15 defective. |
from: exhaust gas recirculation module V 15 Ter. D (ground contact, multimeter)
to: exhaust gas recirculation module V 15 Ter. A, B (V / W contact, multimeter)
| approx. 50 kW | · Exhaust gas reeirculation module V 15 defective. |
Connect wiring harness plug of exhaust gas recirculation module V 15
· Ignition ON
· Measure voltage:
from: wiring harness plug, exhaust gas recirculation module Y 18. A
to: battery +
| less than 0.1 V | · Exhaust gas recirculation module V 15 defective. |
Bridge control unit plug Ter. A 9 to ground
· Measure voltage:
from: wiring harness plug, exhaust gas recirculation module Y 18 Ter. A
to: battery +
| greater than 11 V | · Exhaust gas recirculation module V 15 defective. |
Part 2
· Ignition ON
· Measure voltage:
from: wiring harness plug, exhaust gas recirculation valve Y 18 Ter. E
to: ground
| greater than 11 V | · Lead interruption |
from: wiring harness plug, exhaust gas recirculation valve Y 18 Ter. E
to: ignition lock S 1 Ter. 15
· Short circuit in wiring harness
from: wiring harness plug, exhaust gas recirculation valve Y 18 Ter. E
| to: ground |
· Ignition OFF
· Connect exhaust gas recirculation valve Y 18 Ter. E to + 12 V
· Pulse exhaust gas recirculation valve Y 18 Ter. A to ground
| The exhaust gas recirculation valve is audibly activated |
· Using multimeter, measure resistance:
from: exhaust gas recirculation valve Y 18 Ter. A
| to: exhaust gas recirculation valve Y 18 Ter. E | 7.8 to 8.6 W |
(at 20 C / 68° F)
9.5 to 10.3 W
| (at 80 °C / l76 °F) | · Exhaust gas recirculation valve Y 18 defective. | |
|---|---|---|
| If nominal values attained | · Control unit defective |
· Exhaust gas recirculation valve spindle broken