AUTOMATIC TRANSMISSION SYSTEM(for 1GD-FTV) TERMINALS OF ECM


  1. ECM

    B003Q1QE01

    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
    C38-12 (P) - C41-1 (E1) B - W-B 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
    C38-13 (N) - C41-1 (E1) G - W-B 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
    C38-14 (D) - C41-1 (E1) GR - W-B 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
    C38-15 (R) - C41-1 (E1) R - W-B 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
    C39-8 (SLU+) - C39-9 (SLU-) R - Y Shift solenoid valve SLU signal 2nd, 3rd, 4th, 5th or 6th gear (Flex lock-up on) Pulse generation
    C39-14 (THO1) - C39-15 (ETHO) L - G No. 1 ATF temperature sensor signal No. 1 ATF temperature: 115°C (239°F) or higher Below 1.5 V
    C39-16 (THO2) - C39-15 (ETHO) B - G No. 2 ATF temperature sensor signal No. 2 ATF temperature: 115°C (239°F) or higher Below 1.5 V
    C40-8 (SL3+) - C40-9 (SL3-) B - L Shift solenoid valve SL3 signal 2nd or 6th gear Pulse generation
    C40-10 (SP2B) - C41-1 (E1) G - W-B Power source for sensor (fixed voltage) Engine switch on (IG) 11 to 14 V
    C40-11 (SP2O) - C41-1 (E1) R - W-B Transmission revolution sensor (SP2) signal Vehicle driving Pulse generation
    C40-12 (NTB) - C41-1 (E1) B - W-B Power source for sensor (fixed voltage) Engine switch on (IG) 11 to 14 V
    C40-13 (NTO) - C41-1 (E1) W - W-B Transmission revolution sensor (NT) signal Engine idling Pulse generation
    C40-17 (SL2+) - C40-16 (SL2-) W - R Shift solenoid valve SL2 signal 4th, 5th or 6th gear Pulse generation
    C41-9 (SL4+) - C41-8 (SL4-) G - R Shift solenoid valve SL4 signal 3rd or 5th gear Pulse generation
    C41-10 (SL1+) - C41-11 (SL1-) P - V Shift solenoid valve SL1 signal 1st, 2nd, 3rd or 4th gear Pulse generation
    C41-13 (SL) - C41-1 (E1) G - W-B Shift solenoid valve SL signal All gears 11 to 14 V
    C41-14 (SLT+) - C41-15 (SLT-) V - L Shift solenoid valve SLT signal Engine idling Pulse generation
    G49-11 (NSW) - C41-1 (E1) L - W-B 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
    G49-12 (PWMS) - C41-1 (E1) R - W-B Combination switch (PWR) signal Engine switch on (IG) and combination switch (PWR) not pushed 11 to 14 V
    Engine switch on (IG) and combination switch (PWR) pushed Below 1.5 V
    G49-13 (S) - C41-1 (E1) L - W-B 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
    G49-17 (CANH) - C41-1 (E1) B - W-B CAN communication line Engine switch on (IG) Pulse generation
    G49-20 (SFTD) - C41-1 (E1) G - W-B 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
    Engine switch on (IG) and "-" shift paddle operated (down-shift)
    G49-21 (SFTU) - C41-1 (E1) W - W-B 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
    Engine switch on (IG) and "+" shift paddle operated (up-shift)
    G49-28 (CANL) - C41-1 (E1) W - W-B CAN communication line Engine switch on (IG) Pulse generation