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Symptom:
P2074-MANIFOLD PRESSURE/THROTTLE POSITION CORRELA-
TION - HIGH FLOW/VACUUM LEAK
When Monitored and Set Condition:
P2074-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 for a given engine speed.
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
POSSIBLE CAUSES
271
DRIVEABILITY - NGC
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