|
No.
|
TECH 1 Display
|
Conditions for Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
32
|
O2 BLM CELL NO.
|
Engine running at idle speed, operating temperature (MT only)
|
18 or 19
|
13, 44, 45
|
-
|
|
|
|
Engine running at idle speed, operating temperature (AT only)
|
20 or 21
|
|
|
|
|
|
Engine running in partial load range, operating temperature
|
0 to 15
|
|
|
|
|
|
|
|
|
|
|
· This test
step indicates in which the block learn cell number the system is operating.
If an incorrect block learn cell number is displayed, check the following
fault causes:
|
|
Notes on
Trouble-shooting:
|
Nominal
Value:
|
Cause of
fault:
(If nominal
value is not attained)
|
|
· Possible causes
|
|
· Engine cold
· Trouble code
stored
|
|
· Check 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
|
|
|
|
|
|
|
|
|
|
|
|
|
