TEST
ACTION
APPLICABILITY
11
Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Sensor Ground circuit between APP Sensor harness
connector cavity 8 and ECM harness connector C1.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
12
No
→
Repair the ECM APP Sensor Ground circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
12
Turn the ignition off.
Disconnect the APP Sensor harness connector.
Turn the ignition on.
Connect a voltmeter between the 5-volt Supply circuit cavity 10 and the Sensor
Ground circuit cavity 8 in the APP Sensor harness connector.
Is the voltage between 4.5 and 5.5 volts?
All
Yes
→
Go To
13
No
→
Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
13
Turn the ignition on.
With the DRB III, read the PEDAL OUTPUT VOLTS with the accelerator pedal in
the at rest position.
Does the DRB III display between 0.28 and 0.38 volt?
All
Yes
→
Go To
14
No
→
Replace the Accelerator Pedal Position Sensor in accordance with
the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
14
Turn the ignition on.
Fully depress the accelerator pedal.
With the DRBIII, read the PEDAL OUTPUT VOLTS.
Does the DRB III display between 4.1 and 4.6 volts?
All
Yes
→
Go To
15
No
→
Replace the Accelerator Pedal Position Sensor in accordance with
the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
15
Turn the ignition on.
With the DRB III, read the PEDAL OUTPUT VOLTS.
With the accelerator pedal in the idle position, slowly depress the accelerator pedal
until the pedal is fully depressed.
NOTE: The PEDAL OUTPUT VOLTS should increase smoothly as the pedal
is depressed.
Does the voltage increase smoothly with the accelerator pedal travel?
All
Yes
→
Go To
16
No
→
Replace the Accelerator Pedal Position Sensor in accordance with
the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
164
DRIVEABILITY - DIESEL
P1515-ACCEL. PEDAL SENSOR PLAUSIBILITY —
Continued