AUTOMATIC TRANSMISSION SYSTEM(for 1GR-FE) TERMINALS OF ECM


  1. ECM

    B001ZXFN01

    Tech Tips

    The standard voltage between each pair of ECM terminals 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
    A38-5 (SL3+) - A38-13 (SL3-) L - B Shift solenoid valve SL3 signal 2nd or 6th gear Pulse generation
    A38-11 (CANH) - C45-81 (E1) V - BR CAN communication line Engine switch on (IG) Pulse generation
    A38-12 (SNWI) - C45-81 (E1) P - BR ECT 2nd switch (integration control and panel assembly) signal Engine switch on (IG) and ECT 2nd switch off 11 to 14 V
    Engine switch on (IG) and ECT 2nd switch on Below 1.5 V
    A38-19 (CANL) - C45-81 (E1) W - BR CAN communication line Engine switch on (IG) Pulse generation
    A38-27 (S) - C45-81 (E1) W - BR S shift position switch signal Engine switch on (IG) and shift lever in S, "+" or "-" 11 to 14 V
    Engine switch on (IG) and shift lever not in S, "+" or "-" Below 1 V
    A38-35 (L4) - C45-81 (E1) R - BR L4 position signal Engine switch on (IG) and transfer in L4 Below 1 V
    Engine switch on (IG) and transfer not in L4 11 to 14 V
    A38-39 (SFTU) - C45-81 (E1) V - BR Up-shift position switch signal Engine switch on (IG) and shift lever in S 11 to 14 V
    Engine switch on (IG) and shift lever in "+" (Up-shift) Below 1 V
    A38-47 (SFTD) - C45-81 (E1) L - BR Down-shift position switch signal Engine switch on (IG) and shift lever in S 11 to 14 V
    Engine switch on (IG) and shift lever in "-" (Down-shift) Below 1 V
    A38-49 (PWR) - C45-81 (E1) GR - BR PWR switch (integration control and panel assembly) signal Engine switch on (IG) and PWR switch off 11 to 14 V
    Engine switch on (IG) and PWR switch on Below 1.5 V
    C45-8 (SLU+) - C45-7 (SLU-) LG - SB Shift solenoid valve SLU signal 2nd, 3rd, 4th, 5th or 6th gear (Flex lock-up on) Pulse generation
    C45-10 (SLT+) - C45-9 (SLT-) B - P Shift solenoid valve SLT signal Engine idling Pulse generation
    C45-12 (SL2+) - C45-11 (SL2-) V - BE Shift solenoid valve SL2 signal 4th, 5th or 6th gear Pulse generation
    C45-14 (SL1+) - C45-13 (SL1-) R - L Shift solenoid valve SL1 signal 1st, 2nd, 3rd or 4th gear Pulse generation
    C45-26 (R) - C45-81 (E1) L - BR R shift position switch signal Engine switch on (IG) and shift lever in R 11 to 14 V
    Engine switch on (IG) and shift lever not in R Below 1 V
    C45-27 (P) - C45-81 (E1) W - BR P shift position switch signal Engine switch on (IG) and shift lever in P 11 to 14 V
    Engine switch on (IG) and shift lever not in P Below 1 V
    C45-29 (SL4+) - C45-28 (SL4-) G - V Shift solenoid valve SL4 signal 3rd or 5th gear Pulse generation
    C45-39 (SL) - C45-81 (E1) G - BR Shift solenoid valve SL signal All gears 11 to 14 V
    C45-48 (NSW) - C45-81 (E1) L - BR Park/neutral position switch signal Engine switch on (IG) and shift lever in P or N Below 1 V
    Engine switch on (IG) and shift lever not in P or N 11 to 14 V
    C45-49 (D) - C45-81 (E1) P - BR D shift position switch signal Engine switch on (IG) and shift lever in D, S, "+" or "-" 11 to 14 V
    Engine switch on (IG) and shift lever not in D, S, "+" or "-" Below 1 V
    C45-50 (N) - C45-81 (E1) R - BR N shift position switch signal Engine switch on (IG) and shift lever in N 11 to 14 V
    Engine switch on (IG) and shift lever not in N Below 1 V
    C45-55 (NTB) - C45-81 (E1) P - BR Power source for sensor (fixed voltage) Engine switch on (IG) 11 to 14 V
    C45-56 (NTO) - C45-81 (E1) L - BR Transmission revolution sensor (NT) signal Engine idling Pulse generation
    C45-57 (SP2B) - C45-81 (E1) B - BR Power source for sensor (fixed voltage) Engine switch on (IG) 11 to 14 V
    C45-58 (SP2O) - C45-81 (E1) G - BR Transmission revolution sensor (SP2) signal Vehicle driving Pulse generation
    C45-79 (THO2) - C45-114 (ETH2) B - BR No. 2 ATF temperature sensor signal No. 2 ATF temperature: 115°C (239°F) or higher Below 1.5 V
    C45-80 (THO1) - C45-91 (ETHO) GR - BR No. 1 ATF temperature sensor signal No. 1 ATF temperature: 115°C (239°F) or higher Below 1.5 V