Isuzu 1999 RODEO Workshop Manual page 958

DTC P1336 CKP System Variation Not Learned
Step
1 Was the "On–Board Diagnostic (OBD) System Check"
performed?
2 Perform the Crankshaft Position Sensor Tooth Error
Correction(TEC) Learning Procedure as follows:
When performing the Crankshaft Position Sensor
Tooth Error Correction (TEC) Learning Procedure
always set the vehicle parking brake and block the
drive wheels. Release the throttle immediately when
the engine starts to decelerate. Once the learn
procedure is completed, engine control will be returned
to the operator and the engine will respond to throttle
position.
1. Install a Tech 2.
2. Put vehicle in Park or Neutral.
3. Run the engine until it is above the specified
temperature.
4. Set the vehicle parking brake and block the drive
wheels.
5. Turn all accessories OFF.
6. Enable the Crankshaft Position Sensor Tooth Error
Correction (TEC) Learning Procedure with the Tech
2.
7. Raise the engine RPM to the specified value
RELEASING the throttle as soon as the engine
shuts out.
Does the Tech 2 indicate that Crankshaft Position
System variation has been learned?
3 Attempt Crankshaft
Learning Procedures many times as the specified
value.
Does the Tech 2 indicate that Crankshaft Position
System variation has been learned?
4 Repair Check for a problem with the a Crank Sensor to
Crankshaft relationship and repair as necessary?
Refer to the Excessive Crankshaft Variation Symptom
Table.
5 1. Using the Tech 2, clear DTCs.
2. Start the engine and idle at normal operating
temperature.
3. Operate vehicle within the conditions for setting this
DTC as specified in the supporting text.
Does the Tech 2 indicate that this diagnostic "Ran and
Passed?"
6 Check if any additional DTCs are set.
Are any DTCs displayed that have not been
diagnosed?
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Action
Position System Variation
Value(s) Yes
— Go to Step 2
70°C (158°F)
3920 RPM Go to Step 5
5 Go to Step 5
— Go to Step 5
— Go to Step 6
Go to
applicable
DTC table
—
6E1–331
No
Go to
Powertrain
OBD System
Check
Go to Step 3
Go to Step 4
—
Go to Step 2
System OK