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Home >> Lexus >> 2003 >> IS 300 Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Diagnosis) >> Terminals Of ECM

Terminals Of ECM

Fig 1: Identifying Terminals Of ECM Chart
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WIRING SPECIFICATION

Symbols (Terminals No.) Wiring Color Condition STD Voltage (V)
STP <--> E1 (E4-4 <--> 6-7) G-W <--> BR IG ON and brake pedal depressed 7.5 - 14
IG ON and brake pedal released Below 1.5
SFTD <--> E1 (E4-5 <--> E6-7) GR-R <--> BR IG ON and "Down" transmission shift switch pressed Below 3
IG ON and "Down" transmission shift switch released 7 - 12
SFTU <--> E1 (E4-6 <--> E6-7) GR-G <--> BR IG ON and "Up" transmission shift switch pressed Below 3
IG ON and "Up" transmission shift switch released 7 - 12
2 <--> E1 (E4-12 <--> E6-7) Y-G <--> BR IG ON and shift lever 2 or L position 7.5 - 14
IG ON and shift lever other than 2 and L position Below 1.5
D <--> E1 (E4-13 <--> E6-7) GR-B <--> BR IG ON and shift lever D or M position 7.5 - 14
IG ON and shift lever other than D and M position Below 1.5
4 <--> E1 (E4-14 <--> E6-7) LG-B - BR IG ON and shift lever M position 7.5 - 14
IG ON and shift lever other than M position Below 1.5
L <--> E1 (E4-15 <--> E6-7) G-Y <--> BR IG ON and shift lever L position 7.5 - 14
IG ON and shift lever other than L position Below 1.5
N --> E1 (E6-3 <--> E6-7) G-R <--> BR IG ON and shift lever N position 7.5-14
IG ON and shift lever other than N position Below 1.5
3 <--> E1 (E6-4 <--> E6-7) G-W <--> BR IG ON and shift lever 3 position 7.5 - 14
IG ON and shift lever other than 3 position Below 1.5
R <--> E1 (E6-5 <--> E6-7) R-B <--> BR IG ON and shift lever R position 7.5 - 14
IG ON and shift lever other than R position Below 1.5
P <--> E1 (E6-6 <--> E6-7) G <--> BR IG ON and shift lever P position 7.5-14
IG ON and shift lever other than P position Below 1.5
SLU+ <--> SLU- (E6-11 <--> E6-10) G-W <--> LG-B IG ON Below 3
Engine is idling Pulse signal is output below 1.5 <--> 9 - 14
SLN+ <--> SLN- (E6-13 <--> E6-12) Y-R <--> R-W IG ON Below 3
Engine is idling Pulse signal is output below 1.5 <--> 9 - 14
S4 <--> E1 (E6-16 <--> E6-7) B-R <--> BR IG ON Below 1.5
1st, 2nd, 3rd or 4th gear Below 1.5
5th gear 9 - 14
S3 <--> E1 (E6-17 <--> E6-7) W-L <--> BR IGON Below 1.5
1st, 2nd, 3rd or 5th gear Below 1.5
4th gear 9 - 14
S2 <--> E1 (E6-18 <--> E6-7) G-Y <--> BR IG ON Below 1.5
1st, 4th or 5th gear Below 1.5
2nd or 3rd gear 9 - 14
S1 <--> E1 (E6-19 <--> E6-7) Y <--> BR IG ON Below 1.5
3rd, 4th or 5th gear Below 1.5
1st or 2nd gear 9 - 14
NCO+ <--> NCO- (E6-21 <--> E6-20) R <--> G Engine is idling Pulse signal is output below 1.5 <--> 4 - 6
SP2+ <--> SP2- (E6-23 <--> E6-22) L-Y <--> R-L Engine is idling Pulse signal is output below 1.5 <--> 4 - 6
OIL <--> E2 (E6-27 <--> E4-34) GR <--> BR IG ON and ATF temperature 110 °C (176 °F) Below 1
SLT+ <--> SLT- (E6-35 <--> E6-34) B-Y <--> R-B IG ON Below 3
Engine is idling Pulse signal is output below 1.5 <--> 9 - 14