Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - A750F AUTOMATIC TRANSMISSION / TRANSAXLE
AUTOMATIC TRANSMISSION SYSTEM (for 1GR-FE) - TERMINALS OF ECM
CHECK ECM |
- HINT:
- Each ECM terminal standard voltage is shown in the table below.
- In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to 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 |
A38-21 (L4) - C45-81 (E1) | BR-R - BR | Transfer L4 position signal | Engine switch on (IG) Transfer position switch on L4 | Below 1.5 V |
Engine switch on (IG) Transfer position switch not on L4 | 11 to 14 V | |||
A38-5 (TFN) - C45-81 (E1) | G - BR | Transfer neutral position signal | Engine switch on (IG) Transfer position in neutral | Below 1.5 V |
Engine switch on (IG) Transfer position not in neutral | 11 to 14 V | |||
C45-120 (NSW) - C45-81 (E1) | L - BR | PNP switch signal | Engine switch on (IG) Shift lever in P or N | Below 1.5 V |
Engine switch on (IG) Shift lever not in P or N | 11 to 14 V | |||
C45-2 (P) - C45-81 (E1) | G-B - BR | P shift position switch signal | Engine switch on (IG) Shift lever in P | 11 to 14 V |
Engine switch on (IG) Shift lever not in P | Below 1.5 V | |||
C45-26 (R) - C45-81 (E1) | L-R - BR | R shift position switch signal | Engine switch on (IG) Shift lever in R | 11 to 14 V |
Engine switch on (IG) Shift lever not in R | Below 1.5 V | |||
C45-25 (N) - C45-81 (E1) | G-W - BR | N shift position switch signal | Engine switch on (IG) Shift lever in N | 11 to 14 V |
Engine switch on (IG) Shift lever not in N | Below 1.5 V | |||
C45-27 (D) - C45-81 (E1) | G - BR | D shift position switch signal | Engine switch on (IG) Shift lever in D | 11 to 14 V |
Engine switch on (IG) Shift lever not in D | Below 1.5 V | |||
A38-25 (S) - C45-81 (E1) | W - BR | S shift position switch signal | Engine switch on (IG) Shift lever in S | 11 to 14 V |
Engine switch on (IG) Shift lever not in S | Below 1 V | |||
A38-38 (SFTU) - C45-81 (E1) | V - BR Y - BR* | Up-shift shift position switch signal | Engine switch on (IG) Shift lever in S | 11 to 14 V |
Engine switch on (IG) Shift lever in "+" position (up-shift) | Below 1 V | |||
A38-27 (SFTD) - C45-81 (E1) | L - BR | Down-shift position switch signal | Engine switch on (IG) Shift lever in S | 11 to 14 V |
Engine switch on (IG) Shift lever in "-" position (down-shift) | Below 1 V | |||
A38-36 (STP) - C45-81 (E1) | R - BR | Stop light switch signal | Brake pedal depressed | 11 to 14 V |
Brake pedal released | Below 1.5 V | |||
C45-7 (S1) - C45-81 (E1) | R - BR | Shift solenoid valve S1 signal | Engine switch on (IG) | 11 to 14 V |
1st or 2nd gear | 11 to 14 V | |||
3rd, 4th or 5th gear | Below 1.5 V | |||
C45-4 (S2) - C45-81 (E1) | W - BR | Shift solenoid valve S2 signal | Engine switch on (IG) | Below 1.5 V |
2nd or 3rd gear | 11 to 14 V | |||
1st, 4th or 5th gear | Below 1.5 V | |||
C45-6 (SR) - C45-81 (E1) | G - BR | Shift solenoid valve SR signal | Engine switch on (IG) | Below 1.5 V |
5th gear | 11 to 14 V | |||
1st gear | Below 1 V | |||
C45-14 (SL1+) - C45-15 (SL1-) | Y - L | Shift solenoid valve SL1 signal | Engine idling | Pulse generation |
C45-12 (SL2+) - C45-13 (SL2-) | G-R - L-W | Shift solenoid valve SL2 signal | Engine idling | Pulse generation |
C45-9 (SLT+) - C45-8 (SLT-) | B - G-B | Shift solenoid valve SLT signal | Engine idling | Pulse generation |
C45-10 (SLU+) - C45-11 (SLU-) | L-Y - L-R | Shift solenoid valve SLU signal | 4th (lock-up) gear or 5th (lock-up) gear | Pulse generation |
C45-122 (THO1) - C45-97 (ETHW) | G-Y - BR | No. 1 ATF temperature sensor signal | No. 1 ATF temperature: 115°C (239°F) or higher | Below 1.5 V |
C45-99 (THO2) - C45-97 (ETHW) | L - BR | No. 2 ATF temperature sensor signal | No. 2 ATF temperature: 115°C (239°F) or higher | Below 1.5 V |
C45-101 (SP2+) - C45-100 (SP2-) | Y - B | Speed sensor SP2 signal | Vehicle speed 20 km/h (12 mph) | Pulse generation (see waveform 1) |
C45-124 (NT+) - C45-123 (NT-) | Y - B | Speed sensor NT signal | Engine idling (Shift lever in P or N) | Pulse generation (see waveform 2) |
A38-10 (CANH) - C45-81 (E1) | P - BR | CAN communication line | Engine switch on (IG) | Pulse generation (see waveform 3) |
A38-11 (CANL) - C45-81 (E1) | B - BR | CAN communication line | Engine switch on (IG) | Pulse generation (see waveform 4) |
A38-51 (PWR) - C45-81 (E1) | L-B - BR | Pattern select (PWR) switch signal | Engine switch on (IG) Pattern select (PWR) switch off | 11 to 14 V |
Engine switch on (IG) Pattern select (PWR) switch on | Below 1.5 V | |||
A38-4 (SNWI) - C45-81 (E1) | P - BR R - BR* | Pattern select (2ND) switch signal | Engine switch on (IG) Pattern select (2ND) switch off | 11 to 14 V |
Engine switch on (IG) Pattern select (2ND) switch continuously pressed | Below 1.5 V |
*: GRJ200L-GNANKC

Using an oscilloscope, check waveform 1.
Terminal No. (Symbol) | Tool Setting | Condition |
C45-101 (SP2+) - C45-100 (SP2-) | 2 V/DIV., 20 msec./DIV. | Vehicle speed 20 km/h (12 mph) |

Using an oscilloscope, check waveform 2.
Terminal No. (Symbol) | Tool Setting | Condition |
C45-124 (NT+) - C45-123 (NT-) | 1 V/DIV., 2 msec./DIV. | Engine idling (Shift lever in P or N) |

Using an oscilloscope, check waveform 3.
Terminal No. (Symbol) | Tool Setting | Condition |
A38-10 (CANH) - C45-81 (E1) | 1 V/DIV., 10 μsec./DIV. | Engine switch on (IG) |

Using an oscilloscope, check waveform 4.
Terminal No. (Symbol) | Tool Setting | Condition |
A38-11 (CANL) - C45-81 (E1) | 1 V/DIV., 10 μsec./DIV. | Engine switch on (IG) |