Transaxle Control Module Terminal Testing
NOTE:
For testing, place the positive lead on the terminal with the + sign and place the negative lead on the terminal with the - sign.
PIN NUMBER REFERENCE VALUE
| Pin Number | Pin Acronym | Description | Input/Output to Transmission Control Module (TCM) | Measure pins | Condition For Testing | Reference Value |
|---|---|---|---|---|---|---|
| A1 | B+ | Battery voltage | - | +A1 to ground | Hot at all times | 10-14 volts |
| A3 | SST(+) | Select shift upshift signal | Input | +A3 to -A9 | Voltage high when upshift commanded by select shift | 10-14 volts |
| A4 | SST(-) | Select shift downshift signal | Input | +A4 to -A9 | Voltage high when downshift commanded by select shift | 10-14 volts |
| A5 | STLK | Start lock signal output | Output | +A5 to -A9 | Ignition ON in PARK Ignition ON in other than PARK | 0-0.8 volt 9-14 volts |
| A6 | CAN | L Controller Area Network (CAN) communication low | Input/output | +A6 to -A9 | Engine idling | - |
| A8 | K | Diagnostic signal | Input/output | +A8 to -A9 | - | - |
| A9 | GRND | Transmission Control Module (TCM) ground | - | +ground to chassis ground | - | - |
| A11 | IG | Ignition switch signal input | Input | +A11 to -A9 | Ignition ON | 10-14 volts |
| A12 | Reverse Lamp | Reverse lamp is indicated in reverse | Output | +A12 to -A9 | Voltage high when not in REVERSE Voltage low when in REVERSE | 0-14 volts |
| A14 | CAN H | CAN communication high | Input/output | +A14 to -A9 | Engine idling | - |
| B1 | LPC ground | Line Pressure Control (LPC) ground (SLTG) | - | - | - | - |
| B2 | SSB | Shift Solenoid B (SSB) (S2) | Output | +B2 to ground | Vehicle in PARK, engine idling | 0-1.5 volts |
| B3 | LPC | LPC | Output | +B3 to -B1 | Vehicle in PARK, engine idling | - |
| B4 | TCC solenoid ground | Torque Converter Clutch (TCC) solenoid ground (SLUG) | - | - | - | - |
| B5 | SSA | Shift Solenoid A (SSA) (S1) | Output | +B5 to ground | Vehicle in PARK, engine idling | 0-1.5 volts |
| B7 | TFT ground | Transmission Fluid Temperature (TFT) sensor ground (OTG) | - | - | - | - |
| B8 | TFT | TFT sensor (OT) | Input | +B8 to -B7 | TFT at 10°C to 110°C (50°F to 230°F) | 4.0 to 0.0 volts |
| B9 | TCC | TCC solenoid (SLU) | Output | +B9 to -B4 | Vehicle in PARK, engine idling | - |
| B10 | SSC ground | Shift Solenoid C (SSC) ground (SLC1G) | - | - | - | - |
| B11 | SSC | SSC (SLC1) | Output | +B11 to -B10 | Vehicle in PARK, engine idling | - |
| B12 | ISS | Input shaft speed sensor signal (NIN) | Input | +B12 to -B13 | Vehicle in PARK, engine idling | - |
| B13 | ISS ground | Input shaft speed sensor signal (NIN) | - | - | - | - |
| B14 | SSE | Shift Solenoid E (SSE) | Output | +B14 to -B22 | Vehicle in PARK, engine idling | - |
| B16 | SSF ground | Shift Solenoid F (SSF) ground (SLB1G) | - | - | - | - |
| B17 | SSD | Shift Solenoid D (SSD) (SLC2) | Output | +B17 to -B18 | Vehicle in PARK, engine idling | - |
| B18 | SSD ground | SSD ground (SLC2G) | - | - | - | - |
| B19 | OSS | Output Shaft Speed (OSS) sensor signal (SP+) | Input | +B19 to -B20 | Vehicle speed approximately 20 km/h (12 mph) | - |
| B20 | OSS ground | OSS sensor ground (SP-) | - | - | - | - |
| B21 | SSF | SSF (SLB1G) | Output | +B21 to -B16 | Vehicle in PARK, engine idling | - |
| B22 | SSE | ground SSE ground (SLC3G) | - | - | - | - |