| 1 |
Key ON, Engine OFF. Within VCM Live, open the TPS 1 DTC Minimum parameter, does the TPS sensor parameter display 0.1 volts or less? |
≤ 0.1 volts |
Go to Step 3 |
Go to Step 2 |
| 2 |
Slowly depress the foot pedal while observing the TPS voltage parameter within VCM Live. Does the TPS voltage ever fall below 0.2 volts? |
|
Go to Step 3 |
Intermittent Issue - Refer to Intermittent Diagnostics |
| 3 |
Key OFF. Disconnect the TPS connector and jump the 5 volt reference cavity 1 & the TPS signal cavity 3 together at the TPS connector. Key ON. Does the TPS parameter within VCM Live display a voltage of 4.0 volts or greater? |
|
Go to Step 6 |
Go to Step 4 |
| 4 |
Key OFF. Disconnect the ECU harness connector "C". Using a DVOM check continuity between the TPS connector signal cavity 3 & the ECU connector "C" pin 25. Do you have continuity between them? |
|
Go to Step 5 |
Repair the circuit as necessary, locate any wires that need to be repaired or replaced |
| 5 |
Replace the ECU. Is the replacement complete? |
|
Go to Step 8 |
N/A |
| 6 |
Inspect the TPS wire harness connector terminals for corrosion or contamination. Any issues found? |
|
Repair the circuit as necessary and fix any pins with corrosion or contamination |
Go to Step 7 |
| 7 |
Replace the TPS. Is the replacement complete? |
|
Go to Step 8 |
N/A |
| 8 |
Clear any DTC from the ECU. Turn the ignition off and wait 30 seconds. Start the engine and operate the engine to full operating temperature. Observe the Check Engine Light on the Menu bar in VCM Live. After operating the engine within the test parameters, check for any stored codes. Does the engine operate without any stored DTCs? |
|
System is now operational and ready to be tuned |
Contact HP Tuners Support |