Multec- S X 14 XE / X 16 XE (L) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 31 | O2 BLM ENABLE | ||||
| Ignition ON | |||||
| Engine running at idle speed, operating temperature | INACTIVE | ||||
| ACTIVE | 13, 35, | ||||
| 44, 45 | - |
In the INACTIVE condition, the engine control unit is not capable of performing alterations in the long- term memory. Any correction of the mixture in the long- term memory that is required can only be performed when the TECH 1 data list no. 31 O2 BLM ENABLE changes to ACTIVE (engine at operating temperature).
· If the TECH 1 data list no. 31 O2 BLM ENABLE always displays INACTIVE, there is a malfunction.
| Notes on Trouble-shooting: | Nominal Value: | Cause of fault: |
(If nominal value is not attained)
· Possible causes
| · Engine cold |
· Trouble code stored
· Check the following nominal values:
· 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. 27
| O2 SENSOR | 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. 27
O2 SENSOR
· Ignition OFF
· Disconnect wiring harness plug from:
K57 engine control unit
· 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 | |
| If nominal values are attained and latest program memory is installed | · K57 engine control unit defective |