P1189

System/Component
Fuel System

Fault Code
P1189 cylinder 4-6

Fault Type
Plausibility Yes
Signal No
Minimum Threshold No
Maximum Threshold No

Monitoring Method
Check deviation of integrator signal and adaption (short and long-term)

Signal Type
ECM internal signal/value computation and comparison

Operating Range
yes/no

Time Length and Frequency for Monitoring/Diagnosis
90 sec/permanent

Criteria for storing fault code
fault during 2 trips

Criteria for illuminating the MIL
fault during 2 trips and end of 2nd trip

Criteria used for determining out of range values and input component rationality check
UBATT No
Ground No
Disconnect No

Electronic Control Module (ECM)
Fault if lambda controller reach the restriction (back stops for lean or rich) for 60 seconds.
Fault if permanent deviation of lambda controller adaption exceeds change of 20% from the mean position for 95 sec. (rich threshold) and for 100 sec. (lean threshold) during a period of 1250 seconds.