Multec- S X 14 XE / X 16 XE (L) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 14 | SPARK ADVANCE | ||||
| Switch off all electrical consumers | |||||
| Engine running at idle speed, operating temperature | -5 to 15 °CA BTDC | ||||
| 41, 42, 63, 64 | E14, F14 | ||||
| Notes on Trouble-shooting: | Nominal Value: | Cause of fault: |
(If nominal value is not attained)
· This is not an actual measured value, but rather an ignition value taken from the engine control unit.
| · If the firing angle values read off with TECH 1 deviate significantly from the above nominal values, check the following input signals: |
· All consumers switched off
· TECH 1 data list no. 05
TPS SIGNAL
· TECH 1 data list no. 06
MAP SENSOR
· TECH 1 data list no. 07
COOLANT TEMP.
· TECH 1 data list no. 08
INTAKE AIR TEMP.
· TECH 1 data list no. 15
KNOCK VOLTAGE to no. 21
KNOCK RTD. CYL.4
· TECH 1 data list no. 24
EGR POSITION CMD to no. 25
EGR POS. FDBK
· TECH 1 data list no. 26
FUEL TANK VENT.
· 5.3 additional fault diagnosis 01
camshaft sensor
| OK |
OK
OK
OK
OK
OK
OK
| OK | · Remedy according to data list no. 05 |
TPS SIGNAL
· Remedy according to data list no. 06
MAP SENSOR
· Remedy according to data list no. 07
COOLANT TEMP.
· Remedy according to data list no. 08
INTAKE AIR TEMP.
· Remedy according to data list no. 15
KNOCK VOLTAGE to no. 21
KNOCK RTD. CYL.4
· Remedy according to data list no. 24
EGR POSITION CMD to no. 25
EGR POS. FDBK
· Remedy according to data list no. 26
FUEL TANK VENT.
| · Remedy according to 5.3 additional fault diagnosis 01 camshaft sensor |
|---|
| PART A: |
· Ignition OFF
· Disconnect wiring harness plug from:
L2 direct ignition module
· Ignition ON
· Using multimeter, measure voltage:
from: L2 wiring harness plug for direct ignition module Ter. 1
to: ground
| higher than 11 V |
|---|
| · Short circuit to ground or lead interruption |
from: L2 wiring harness plug for direct ignition module Ter. 1
to: S1 ignition lock Ter. 15
· S1 ignition lock defective.
· Using multimeter, measure voltage:
from: L2 wiring harness plug for direct ignition module Ter. 1
to: L2 wiring harness plug for direct ignition module Ter. 2
| higher than 11 V | · Short circuit to voltage or circuit interruption |
from: L2 wiring harness plug for direct ignition module Ter. 2
| to: ground |
· Bridge wiring harness plug
from: L2 direct ignition module Ter. 1
to: L2 wiring harness plug for direct ignition module Ter. 1
and
from: L2 direct ignition module Ter. 2
to: L2 wiring harness plug for direct ignition module Ter. 2
· Connect checking spark plugs to high voltage outputs 1 and 4
· Pulse L2 direct ignition module Ter. 3 to battery +
| Ignition spark visible at checking spark plug |
|---|
| · L2 direct ignition module defective. |
· Connect checking spark plugs to high voltage outputs 2 and 3
· Pulse L2 direct ignition module Ter. 4 to battery +
| Ignition spark visible at checking spark plug | |
|---|---|
| · L2 direct ignition module defective. | |
| PART B: |
· Ignition OFF
· Disconnect wiring harness plug from:
K57 engine control unit
· Connect wiring harness plug:
L2 direct ignition module
· Ignition ON
· Connect checking spark plugs to high voltage outputs 2 and 3
· Pulse K57 wiring harness plug for engine control unit Ter. F14 to battery +
| Ignition spark visible at checking spark plug |
|---|
| · Short circuit to ground / voltage or circuit interruption |
from: K57 wiring harness plug for engine control unit Ter. F14
to: L2 wiring harness plug for direct ignition module Ter. 4
· Connect checking spark plugs to high voltage outputs 1 and 4
| · Pulse K57 wiring harness plug for engine control unit Ter. E14 to battery + | Ignition spark visible at checking spark plug |
|---|---|
| · Short circuit to ground / voltage or circuit interruption |
from: K57 wiring harness plug for engine control unit Ter. E14
to: L2 wiring harness plug for direct ignition module Ter. 3
· Check spark plugs
· Check spark plug connectors
· Check high voltage cables
| OK |
OK
OK
| · Spark plugs defective |
· Spark plug connectors defective
· High voltage cable defective
| · Check control unit calibration, see field remedy measures | Latest program memory (EPROM) according to field remedy measures or TIs |
|---|---|
| · Replace program memory (EPROM) according to field remedy measures or TIs |
· Repeat test
| If nominal values are attained and the latest program memory is installed | · K57 engine control unit defective |