Comprehensive Component Monitor (Engine Output)

OBD System Description - Comprehensive Component Monitor (Engine Output)

EST_Cylinder_1_Fault

DTC Description / Detecting Condition / Confirmation Procedure
P0351 refer to [DTC P0351: Ignition Coil 1 and 4 Control Circuit]. P0351

Monitor Strategy Description
Detects a short to ground, to battery or open circuit on ESC output.
Fault information provided by a current monitoring circuit.

Malfunction Criteria
Current below min. threshold = TRUE boolean
OR
Current exceeds max. threshold = TRUE boolean
OR
Time to min. threshold < 0.141 msec
Open, Shored to Gnd, or shorted to Battery

Enable Conditions
Disabling Faults Present = FALSE
AND Engine Running = RUN
AND Ignition Voltage >= 11 V
AND Ignition Voltage <= 16 V
AND Enable Time delay >= 0.5 s

Time required
Detection Time
5.00 seconds failure out of 9.88 seconds sample period
Continuous Monitoring every 125.00 ms
Detection Samples
40 test failures within 80 test samples at 125. ms loop time

EST_Cylinder_2_Fault

DTC Description / Detecting Condition / Confirmation Procedure
P0352 refer to [DTC P0352: Ignition Coil 2 and 3 Control Circuit]. P0352

Monitor Strategy Description
Detects a short to ground, to battery or open circuit on ESC output.
Fault information provided by a current monitoring circuit.

Malfunction Criteria
Current below min. threshold = TRUE boolean
OR
Current exceeds max. threshold = TRUE boolean
OR
Time to min. threshold < 0.141 msec
Open, shorted to Gnd, or shorted to Battery

Enable Conditions
Disabling Faults Present = FALSE
AND Engine Running = RUN
AND Ignition Voltage >= 11 V
AND Ignition Voltage <= 16 V
AND Enable Time delay >= 0.5 s

Time required
Detection Time
5.00 seconds failure out of 9.88 seconds sample period
Continuous Monitoring every 125.00 ms
Detection Samples
40 test failures within 80 test samples at 125. ms loop time