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P0140 код неисправности. Диагностика кодов неисправностей двигателя Н4М.

P0140 код неисправности. Диагностика кодов неисправностей двигателя Н4М.

P0140

ДДК активность цепи.

DTC 0140h – O2 Sensor Circuit Activity.

Fault Type Description ABC Type
29h Signal Not Plausible  
Detection Conditions for Bit 4 (readiness)
29h The degradation response diagnosis is done
Detection Conditions for Bit 0 (test failed) Detection timing Resorption Timing
29h   0 ms 0 ms

Specific Snapshot:

$244A – Catalyst exhaust gas downstream oxygen sensor voltage;

$2449 – Catalyst exhaust gas upstream oxygen sensor voltage;

$24C1 – Time expected to switch on the heating of the downstream sensor;

$284E – Richness regulation status;

$2010 – Engine status.

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