F0:DATA LIST
No.
| TECH 1 Display |
|---|
| Conditions for Checking |
| Nominal Value |
| Trouble Codes |
| Terminal |
| 24 |
| IAC BLOCK LEARN |
Engine running at idle speed, operating temperature
| 124 to 136 steps |
|---|
| 56, 57 |
| INTERN. |
Note:
The IAC BLOCK LEARN gives the nominal air requirements of the engine.
| Via the IAC BLOCK LEARN, evaluation of the learned values of the system can be made after a journey (speed influence). |
Notes for Trouble-shooting:
· If IAC BLOCK LEARN constantly <75 steps
and simultaneously
IAC ADAPT. SLOPE constantly between 87 and 107 steps
IAC INTEGRATOR constantly at a value <128 steps
Nominal Value:
IAC BLOCK LEARN
124 to 136 steps
IAC ADAPT. SLOP
87 to 107 steps
IAC INTEGRATOR
| 121 to 135 steps |
Cause of Fault:
| See test step 23 |
Continued
· IAC BLOCK LEARN constantly > 175 steps
and simultaneously
IAC ADAPT. SLOPE constantly between 87 and 107 steps
| IAC INTEGRAT0R constantly at a value > 128 steps |
IAC BLOCK LEARN
124 to 136 steps
IAC ADAPT. SLOPE
87 to 107 steps
IAC INTEGRATOR
121 to 135 steps
See test step 23