DTC Confirmation Test "C"

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

With CONSULT-II

Start engine and warm to normal operating temperature. Turn ignition off and wait at least 10 seconds. Turn ignition on.
Select MANU TRIG in DATA MONITOR mode with CONSULT-II. Select THRTL POS SEN and ABSOL TH-P/S.
Press RECORD on CONSULT-II screen at the same time accelerator pedal is depressed. Print out recorded graph. See Fig 1 .
Voltage should be as follows:
- Voltage rise should be linear in response to accelerator pedal position.
- Voltage when accelerator pedal is fully depressed should be about 4 volts.
If voltage is as specified, go to next step. If voltage is not as specified, go to DIAGNOSTIC PROCEDURE .
Select AUTO TRIG in DATA MONITOR mode with CONSULT-II. Maintain the following conditions for at least 10 consecutive seconds:
- ENG SPEED: more than 2000 RPM.
- MAS AIR/FL SE: more than 3 volts.
- COOLANT TEMP/S: more than 158°F (70°C).
- Driving location: driving vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.
If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE . If 1st trip DTC is not detected, system is okay at this time.

Fig 1: Throttle Position Sensor Graph On CONSULT-II

Courtesy of NISSAN MOTOR CO., U.S.A.

With Generic Scan Tool

Maintain the following conditions for at least 10 consecutive seconds:
- Engine speed: more than 2000 RPM.
- Engine coolant temperature: more than 158°F (70°C).
- Voltage between ECM terminal No. 61 (MAF sensor signal) and ground: more than 3 volts.
If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE . If 1st trip DTC is not detected, system is okay at this time.