P0068

Test 1 - 4:

Test 5 - 8:

Test 9 - 12:

Test 13 - 16:

Test 17 - 18:

SYMPTOM
P0068-MANIFOLD PRESSURE/THROTTLE POSITION CORRELATION - HIGH FLOW/VACUUM LEAK

WHEN MONITORED
Engine Running, during all drive modes.

SET CONDITION
The relationship between the MAP and Throttle exceeds a predetermined value.

POSSIBLE CAUSES
- Good trip equal to zero
- Vacuum leak
- High resistance in map (K6) 5 volt supply circuit
- Resistance to ground in MAP (K6) 5 Volt supply circuit
- MAP Sensor
- High resistance in (K1) MAP signal circuit
- Resistance to ground in (K1) MAP signal circuit
- High resistance in (K4) MAP ground circuit
- PCM
- TP Sensor Operation
- High Resistance In TP Sensor (K6) 5 Volt Supply Circuit
- Resistance To Ground In TP Sensor (K6) 5 Volt Supply Circuit
- TP Sensor
- High Resistance In (K22) TP Signal Circuit
- Resistance To Ground In (K22) TP Sensor Signal Circuit
- High Resistance In TP (K4) Sensor Ground Circuit
- PCM