Pinpoint Tests RB: Exhaust Gas Temperature (EGT) Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2021 Lincoln Navigator, 2021 Lincoln Nautilus, 2021 Lincoln Corsair, 2021 Lincoln Aviator, and 2021 Ford Transit-350 HD. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
MANUAL REGENERATION OF THE PARTICULATE FILTER CAUSES THE EXHAUST GAS TO QUICKLY GET VERY HOT. INITIATE A MANUAL REGENERATION ONLY WHEN THE VEHICLE IS ON THE GROUND WITH THE AREA AROUND THE TAILPIPE FREE OF PEOPLE, OBSTRUCTIONS, FOREIGN MATERIAL OR OTHER ITEMS. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY.
NOTE:
Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.
This pinpoint test is intended to diagnose the following:
- EGT sensor (5J213)
- harness circuits: EGT11, EGT21 and SIGRTN
- PCM (12A650)
EGT Sensor Temperature And Resistance Specifications
| Temperature | Temperature Sensor Value | EGT PID | |
|---|---|---|---|
| °C | °F | Resistance (K ohms) | (Volts) |
| 900 | 1652 | 0.09 | 0.41 |
| 850 | 1562 | 0.11 | 0.48 |
| 800 | 1472 | 0.13 | 0.58 |
| 750 | 1382 | 0.16 | 0.70 |
| 700 | 1292 | 0.21 | 0.86 |
| 650 | 1202 | 0.27 | 1.06 |
| 600 | 1112 | 0.36 | 1.26 |
| 550 | 1022 | 0.5 | 1.67 |
| 500 | 932 | 0.73 | 2.1 |
| 450 | 842 | 1.1 | 2.62 |
| 400 | 752 | 1.77 | 3.2 |
| 350 | 662 | 3.09 | 3.78 |
| 300 | 572 | 5.92 | 4.28 |
| 250 | 482 | 12.39 | 4.63 |
| 200 | 392 | 30.28 | 4.84 |
| Pin | Circuit |
|---|---|
| 2 | SIGRTN (Signal Return) |
| 1 | EGT11 (Exhaust Gas Temperature Bank 1, Sensor 1) |
| Pin | Circuit |
|---|---|
| 2 | SIGRTN (Signal Return) |
| 1 | EGT21 (Exhaust Gas Temperature Bank 2, Sensor 1) |
Powertrain Control Module (PCM) Connector
For PCM connector views or Reference values, Refer to Reference Values.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Aviator, | 306 PIN | B28 | SIGRTN |
| Explorer 3.0L, | |||
| T28 | EGT21 | ||
| Explorer 3.3L | |||
| SIGRTN | |||
| B28 | |||
| EGT11 | |||
| T12 | |||
| Continental | 198 PIN | B18 | SIGRTN |
| B32 | EGT11 | ||
| Edge 2.7L | 306 PIN | T57 | SIGRTN |
| T28 | EGT21 | ||
| SIGRTN | |||
| T57 | |||
| EGT11 | |||
| T12 | |||
| Expedition, | 198 PIN | B30 | SIGRTN |
| Navigator | |||
| E24 | EGT21 | ||
| SIGRTN | |||
| B30 | |||
| EGT11 | |||
| B31 | |||
| F-150 | 306 PIN | B46 | SIGRTN |
| B24 | EGT21 | ||
| SIGRTN | |||
| B46 | |||
| EGT11 | |||
| B31 | |||
| Mustang 5.0L | 306 PIN | T71 | SIGRTN |
| T28 | EGT21 | ||
| SIGRTN | |||
| T57 | |||
| EGT11 | |||
| T12 | |||
| Nautilus 2.7L | 306 PIN L |
B2 | SIGRTN |
| B1 | |||
| EGT21 | |||
| B2 | |||
| SIGRTN | |||
| B6 | |||
| EGT11 | |||
| All other vehicles | 198 PIN | B26 | SIGRTN |
| B29 | EGT11 |