Pcm Pin Voltage Check
CHECKING PCM PIN VOLTAGE
| Sensors/Inputs | Sensor/ Input | SignalPin # | KOEO | Hot Idle | 30 MPH |
| 55 MPH | KS | 23 | 2.5V | 2.5V | 2.5V |
| 2.5V | TCS | 41 | .1V | .1V | .1V |
| .1V | OCT ADJ | 29 | 0-.2V | 0-.2V | 0-.2V |
| 0-.2V | TP | 47 | .9V | .9V | 1.0-1.2V |
| 1.1-1.4V | MAF | 50 | 0V | .7V | 1.0-1.3V |
| 1.6-2.2V | DPFE | 27 | .4-.6V | .4-.6V | .6-1.0V |
| 1.2-2.2V | ECT | 7 | .5-.7V | .5-.7V | .5-.7V |
| .5-.7V | IAT | 25 | .7-2.8V | .7-3.5V | .7-3.5V |
| .7-3.5V | IDM | 4 | 55-75RPM | 685-790 RPM | 1100-1200 RPM |
| 1350-1600 RPM | TFT -red | 49 | .6-1.1V | .6-1.1V | .6-1.1V |
| .6-1.1V | PIP | 56 | 0-12 RPM | 750-810 RPM | 1100-1200 RPM |
| 1350-1600 RPM | HO2S-R | 44 | 0V | Switching | Switching |
| Switching | BOO | 2 | 0V | VBAT | 0V |
| 0V | ACCS | 10 | 0V | VBAT | 0V |
| 0V | VSS+ | 3 | 1 MPH | 1 MPH | 30 MPH |
| 55 MPH | CID | 24 | .1V | .1V | .1V |
| .1V | HO2S-L | 43 | 0V | Switching | Switching |
| Switching | MLP | 30 | 4.4V | 4.4V | 2.1V |
| 2.1V | FPM -red | 8 | 0V | VBAT | VBAT |
| VBAT | TSS | 5 | .05-.06V | .05-.07V | .08V |
| .20V | STI | 48 | 5.0V | 3.3-4.9V | 3.3-4.9V |
| 3.3-4.9V | Actuators/Outputs | Act./ Output | SignalPin # | KOEO | Hot Idle |
| 30 MPH | 55 MPH | INJ 3 | 39 | VBAT | 4.0-4.4mS |
| 4.6-6.0mS | 6.6-8.4mS | INJ 5 | 15 | VBAT | 4.0-4.4mS |
| 4.6-6.0mS | 6.6-8.4mS | INJ 4 | 35 | VBAT | 4.0-4.4mS |
| 4.6-6.0mS | 6.6-8.4mS | INJ 2 | 59 | VBAT | 4.0-4.4mS |
| 4.6-6.0mS | 6.6-8.4mS | INJ 1 | 58 | VBAT | 4.0-4.4mS |
| 4.6-6.0mS | 6.6-8.4mS | SS2 | 52 | VBAT | VBAT |
| .4V | .4V | EVR | 33 | VBAT | VBAT |
| 10.7V-VBAT | 9.5-11.5V | EPC | 38 | 7.0V | 8.6-8.8V |
| 8.4-9.5V | 9.1-9.9V | WAC | 54 | .1-.2V | VBAT |
| .1-.2V | .1-.2V | STO/MIL | 17 | 0-.2V | VBAT |
| VBAT | VBAT | IAC | 21 | VBAT | 8.3-10.0V |
| 7.8-9.3V | 5.2-7.0V | INJ 7 | 13 | VBAT | 0-1 % |
| 1-3 % | 4-8 % | FP | 22 | VBAT | .1-.2V |
| .1-.2V | .1-.2V | INJ 6 | 12 | 4.0-4.4mS | |
| 4.6-6.0mS | 6.6-8.4mS | SPOUT | 36 | 0-12 RPM | 750-810 RPM |
| 1100-1200 RPM | 1350-1600 RPM | IMRC | 32 | 12V | .1V |
| .1V | .1V | INJ 8 | 14 | VBAT | 4.0-4.4mS - A/C on. |
| 4.6-6.0mS | 6.6-8.4mS | SS1 | 51 | .3-.4 - Brake pedal on. | .3-.4 |
| VBAT | .3-.4 | CANP | 11 negative value. | VBAT | VBAT |
| 8.0-VBAT | .2-7.0 | TCIL should toggle above and below .450 DCV, but should never be a | 55 | VBAT | VBAT |
| VBAT | VBAT or lean to rich, at least once every 3 seconds. HO2S voltage | TCC | 53 | VBAT | VBAT |
| 11.0-VBAT - HO2S should switch from rich (red LED) to lean (green LED), | 11.6-VBAT | OTHER | N/A | SignalPin # | KOEO - Monitor in DCV manual mode, reference pin to PWR GND (40/60). |
| Hot Idle | 30 MPH | 55 MPH | IGN TIMING | TIMING 60-pin adapter. | N/A |
| N/A | N/A | N/A | - Signal pin No. 41 (TCS) is not testable when using monitor | N/A | N/A |