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F0:Data List - Test Step 28 Iac Cntr. Enable Opel Corsa B

Multec-M (14 SE / C 14 SE / C 16 SE) F0:DATA LIST

No.TECH 1 DisplayConditions for CheckingNominal ValueTrouble CodesTerminal
28IAC CNTR. ENABLEIgnition ON

Engine cold

Engine running at idle speed, operating temperature

Engine throttle valve CLOSED (accelerator pedal in idle position)

Engine running in partial load range, operating temperature

INACTIVE

ACTIVE

INACTIVE

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IAC CNTR. ENABLE is an internal value of the control unit.

All consumers switched off ?

COOLANT TEMP. (P 30) OK ? (test step 03)

INTAKE AIR TEMP. (P 29) OK ? (test step 04)

O2 SENSOR LOOP closed OK ? (test step 17)

O2 INTEGRATOR OK ? (test step 19)

O2 BLM CELL NO. OK ? (test step 21)

O2 BLM CELL CONT OK ? (test step 22)

PARK/NEUTRAL SW. in idle position (P-N) OK ? (test step 09)

TPS SIGNAL (P 34) OK ? (test step 06)

MAP SENSOR (P 23) OK ? (test step 05)

IDLE AIR CONTROL (M 66) OK ? (test step 15)

If all the above checking points are OK: disconnect the control unit from the vehicle electrical system (reset), repeat check
Trouble-shooting:Nominal Value:Cause of Fault:
(If nominal value is not attained)

· If all of the above data list parameters are OK and the engine is running normally, a deviation in this test step can be ignored

Data list parameters OK
· Control unit defective