TCM
Tech Tips
The standard voltage and resistance of each TCM terminal is shown in the table below.
In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage or resistance between the terminals is shown under "Specified Condition".
Use the illustration above as a reference for the TCM terminals.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A37-1 (E01) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| A37-2 (E1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| A37-3 (P) - A37-2 (E1) | W - W-B | Park position switch signal | Engine switch on (IG) and shift lever in P | 11 to 14 V |
| A37-3 (P) - A37-2 (E1) | W - W-B | Park position switch signal | Engine switch on (IG) and shift lever not in P | Below 1 V |
| A37-5 (+B) - A37-2 (E1) | B-R - W-B | Power source of TCM | Engine switch on (IG) | 11 to 14 V |
| A37-6 (BATT) - A37-2 (E1) | L - W-B | Battery (for measuring battery voltage and for TCM memory) | Always | 11 to 14 V |
| A37-10 (N) - A37-2 (E1) | R - W-B | N shift position switch signal | Engine switch on (IG) and shift lever in N | 11 to 14 V |
| A37-10 (N) - A37-2 (E1) | R - W-B | N shift position switch signal | Engine switch on (IG) and shift lever not in N | Below 1 V |
| A37-11 (R) - A37-2 (E1) | G - W-B | R shift position switch signal | Engine switch on (IG) and shift lever in R | 11 to 14 V |
| A37-11 (R) - A37-2 (E1) | G - W-B | R shift position switch signal | Engine switch on (IG) and shift lever not in R | Below 1 V |
| A37-13 (CAN-) - A37-2 (E1) | W - W-B | CAN communication line | Engine switch on (IG) | Pulse generation (see waveform 12) |
| A37-15 (STA) - A37-2 (E1) | R - W-B | Starter signal | Cranking (shift lever in P or N, engine switch start) | 11 to 14 V |
| A37-15 (STA) - A37-2 (E1) | R - W-B | Starter signal | Engine switch on (IG) and shift lever in P or N | Below 2 V |
| A37-16 (IG2) - A37-2 (E1) | B - W-B | Engine switch | Engine switch on (IG) | 11 to 14 V |
| A37-20 (D) - A37-2 (E1) | Y - W-B | D shift position switch signal | Engine switch on (IG) and shift lever in D or M | 11 to 14 V |
| A37-20 (D) - A37-2 (E1) | Y - W-B | D shift position switch signal | Engine switch on (IG) and shift lever not in D or M | Below 1 V |
| A37-21 (CAN+) - A37-2 (E1) | B - W-B | CAN communication line | Engine switch on (IG) | Pulse generation (see waveform 11) |
| A37-23 (STP) - A37-2 (E1) | R - W-B | Stop light switch signal | Brake pedal depressed | 7.5 to 14 V |
| A37-23 (STP) - A37-2 (E1) | R - W-B | Stop light switch signal | Brake pedal released | Below 1 V |
| F60-12 (THO1) - F60-13 (E2) | L - V | ATF temperature sensor signal | ATF temperature 115°C (239°F) or more | Below 1.5 V |
| F60-6 (SL1+) - F60-5 (SL1-) | Y - GR | Shift solenoid valve SL1 signal | 1st, 2nd, 3rd, 4th or 5th gear | Pulse generation (see waveform 1) |
| F60-4 (SL2+) - F60-14 (SL2-) | B - G | Shift solenoid valve SL2 signal | 5th, 6th, 7th or 8th gear | Pulse generation (see waveform 2) |
| F60-26 (SL3+) - F60-25 (SL3-) | R- G | Shift solenoid valve SL3 signal | 3rd or 7th gear | Pulse generation (see waveform 3) |
| F60-17 (SL4+) - F60-16 (SL4-) | L - Y | Shift solenoid valve SL4 signal | 4th or 6th gear | Pulse generation (see waveform 4) |
| F60-3 (SL5+) - F60-10 (SL5-) | R - W | Shift solenoid valve SL5 signal | 2nd or 8th gear | Pulse generation (see waveform 5) |
| F60-1 (SLT+) - F60-7 (SLT-) | G - BR | Shift solenoid valve SLT signal | Engine idling | Pulse generation (see waveform 6) |
| F60-2 (SLU+) - F60-8 (SLU-) | R - L | Shift solenoid valve SLU signal | D position: 4th, 5th, 6th, 7th or 8th gear (Flex lock-up ON and Lock-up ON ) M position: 2nd, 3rd, 4th, 5th, 6th, 7th or 8th gear (Lock-up ON ) |
Pulse generation (see waveform 7) |
| F60-24 (SL) - A37-2 (E1) | B - W-B | Shift solenoid valve SL signal | D position: 4th, 5th, 6th, 7th or 8th gear (Flex lock-up ON and Lock-up ON) M position: 2nd, 3rd, 4th, 5th, 6th, 7th or 8th gear (Lock-up ON) |
11 to 14 V |
| F60-15 (SR) - A37-2 (E1) | GR - W-B | Shift solenoid valve SR signal | All gears | 11 to 14 V |
| F60-21 (NTB) - A37-2 (E1) | R - W-B | Power source for sensor (specific voltage) |
Engine switch on (IG) | 11 to 14 V |
| F60-20 (NTO) - A37-2 (E1) | G - W-B | Transmission Revolution Sensor (NT) signal | Engine idling (shift lever in P or N) | Pulse generation (see waveform 8) |
| F60-19 (NC3B) - A37-2 (E1) | R - W-B | Power source for sensor (specific voltage) |
Engine switch on (IG) | 11 to 14 V |
| F60-18 (NC3O) - A37-2 (E1) | B - W-B | Transmission Revolution Sensor (NC3) signal | 1st, 3rd, 4th, 5th, 6th or 7th gear | Pulse generation (see waveform 9) |
| F60-23 (SP2B) - A37-2 (E1) | L - W-B | Power source for sensor (specific voltage) |
Engine switch on (IG) | 11 to 14 V |
| F60-22 (SP2O) - A37-2 (E1) | Y - W-B | Transmission Revolution Sensor (SP2) signal | Vehicle speed 20 km/h (12 mph) | Pulse generation (see waveform 10) |
| F60-9 (TPS1) - A37-2 (E1) | L - W-B | Oil pressure switch signal | 6th to 8th gear | 11 to 14 V |
| F60-9 (TPS1) - A37-2 (E1) | L - W-B | Oil pressure switch signal | 1st to 5th gear | Below 1 V |
| *a | 5 V/DIV. |
| *b | 1 msec./DIV. |
Using an oscilloscope, check waveform 1.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-6 (SL1+) - F60-5 (SL1-) |
| Tool setting | 5 V/DIV., 1 msec./DIV. |
| Condition | 1st, 2nd, 3rd, 4th or 5th gear |
| *a | 5 V/DIV. |
| *b | 1 msec./DIV. |
Using an oscilloscope, check waveform 2.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-4 (SL2+) - F60-14 (SL2-) |
| Tool setting | 5 V/DIV., 1 msec./DIV. |
| Condition | 5th, 6th, 7th or 8th gear |
| *a | 5 V/DIV. |
| *b | 1 msec./DIV. |
Using an oscilloscope, check waveform 3.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-26 (SL3+) - F60-25 (SL3-) |
| Tool setting | 5 V/DIV., 1 msec./DIV. |
| Condition | 3rd or 7th gear |
| *a | 5 V/DIV. |
| *b | 1 msec./DIV. |
Using an oscilloscope, check waveform 4.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-17 (SL4+) - F60-16 (SL4-) |
| Tool setting | 5 V/DIV., 1 msec./DIV. |
| Condition | 4th or 6th gear |
| *a | 5 V/DIV. |
| *b | 1 msec./DIV. |
Using an oscilloscope, check waveform 5.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-3 (SL5+) - F60-10 (SL5-) |
| Tool setting | 5 V/DIV., 1 msec./DIV. |
| Condition | 2nd or 8th gear |
| *a | 5 V/DIV. |
| *b | 1 msec./DIV. |
Using an oscilloscope, check waveform 6.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-1 (SLT+) - F60-7 (SLT-) |
| Tool setting | 5 V/DIV., 1 msec./DIV. |
| Condition | Engine idling |
| *a | 5 V/DIV |
| *b | 1 msec./DIV |
Using an oscilloscope, check waveform 7.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-2 (SLU+) - F60-8 (SLU-) |
| Tool setting | 5 V/DIV., 1 msec./DIV. |
| Condition | D position: 4th, 5th, 6th, 7th or 8th gear (Flex lock-up ON and Lock-up ON) M position: 2nd, 3rd, 4th, 5th, 6th, 7th or 8th gear (Lock-up ON) |
| *a | 1 V/DIV. |
| *b | 2 msec./DIV. |
Using an oscilloscope, check waveform 8.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-20 (NTO) - A37-2 (E1) |
| Tool setting | 1 V/DIV., 2 msec./DIV. |
| Condition | Engine idling (shift lever in P or N) |
| *a | 1 V/DIV. |
| *b | 2 msec./DIV. |
Using an oscilloscope, check waveform 9.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-18 (NC3O) - A37-2 (E1) |
| Tool setting | 1 V/DIV., 2 msec./DIV. |
| Condition | 1st, 3rd, 4th, 5th, 6th or 7th gear |
| *a | 1 V/DIV. |
| *b | 2 msec./DIV. |
Using an oscilloscope, check waveform 10.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | F60-22 (SP2O) - A37-2 (E1) |
| Tool setting | 1 V/DIV., 2 msec./DIV. |
| Condition | Vehicle speed 20 km/h (12 mph) |
| *a | 1 V/DIV |
| *b | 10 msec./DIV |
Using an oscilloscope, check waveform 11.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | A37-21 (CAN+) - A37-2 (E1) |
| Tool setting | 1 V/DIV., 10 msec./DIV. |
| Condition | Engine switch on (IG) |
| *a | 1 V/DIV |
| *b | 10 msec./DIV |
Using an oscilloscope, check waveform 12.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | A37-13 (CAN-) - A37-2 (E1) |
| Tool setting | 1 V/DIV., 10 msec./DIV. |
| Condition | Engine switch on (IG) |
ECM
Tech Tips
The standard voltage of each ECM terminal is shown in the table below.
In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage between the terminals is shown under "Specified Condition".
Use the illustration above as a reference for the ECM terminals.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A71-7 (SFTD) - F4-1 (E1) | P - BR | Down-shift position switch signal | Engine switch on (IG) | 11 to 14 V |
| A71-7 (SFTD) - F4-1 (E1) | P - BR | Down-shift position switch signal |
|
Below 1 V |
| A71-8 (SFTU) - F4-1 (E1) | V - BR | Up-shift shift position switch signal | Engine switch on (IG) | 11 to 14 V |
| A71-8 (SFTU) - F4-1 (E1) | V - BR | Up-shift shift position switch signal |
|
Below 1 V |
| A71-16 (S) - F4-1 (E1) | GR - BR | M shift position switch signal | Engine switch on (IG) and shift lever in M | 11 to 14 V |
| A71-16 (S) - F4-1 (E1) | GR - BR | M shift position switch signal | Engine switch on (IG) and shift lever not in M | Below 1 V |
| A70-14 (KD) - F4-1 (E1) | B - BR | Kick-down switch signal | Engine switch on (IG) and accelerator pedal depressed | Below 1 V |
| A70-14 (KD) - F4-1 (E1) | B - BR | Kick-down switch signal | Engine switch on (IG) and accelerator pedal released | 11 to 14 V |