TEST
ACTION
APPLICABILITY
7
Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the Sensor ground circuit from the MAP Sensor harness
connector to the PCM harness connector.
Is the resistance below 5 ohms?
All
Yes
→
Go To
8
No
→
Repair the Sensor Ground circuit for high resistance.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
8
Turn the ignition off.
Disconnect the TPS harness connector.
With the DRBIII
t, monitor the TPS voltage.
Turn the ignition on.
Connect a jumper wire between the TPS Signal circuit and the Sensor ground circuit
.
Does the DRBIII
t display TPS voltage from approximately 4.9 volts to below 0.5 volt?
All
Yes
→
Replace the Throttle Position Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→
Go To
9
9
Turn the ignition off.
Disconnect the Throttle Position Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the Throttle Position Sensor Signal circuit from the
Throttle Position Sensor harness connector to the PCM harness connector.
Is the resistance below 5 ohms?
All
Yes
→
Go To
10
No
→
Repair the Throttle Position Sensor Signal circuit for high resis-
tance.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
10
Turn the ignition off.
Disconnect the Throttle Position Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the Throttle Position Sensor Signal circuit from the
Throttle Position Sensor harness connector to ground.
Is the resistance above 5 ohms?
All
Yes
→
Go To
11
No
→
Repair the Throttle Position Sensor Signal circuit for high resis-
tance to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
11
Turn the ignition off.
Disconnect the Throttle Position Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the Sensor ground circuit from the Throttle Position
Sensor harness connector to the PCM harness connector.
Is the resistance below 5 ohms?
All
Yes
→
Go To
12
No
→
Repair the Sensor Ground circuit for high resistance.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
57
DRIVEABILITY - GAS
P0121-TPS VOLTAGE DOES NOT AGREE WITH MAP —
Continued