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Terminals Of ECM

ECM 

Fig 1: Identifying ECM Connector Terminals (1MZ-FE, 3MZ-FE)
G04391245Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig 2: Identifying ECM Connector Terminals (2AZ-FE)
G04391246Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
ECM TERMINAL REFERENCE

Symbols (Terminals No.) Wiring Color Condition Specified Condition
E8-1 <--> Body ground ((1)) E10-3 <--> Body ground ((2)) (E1 <--> Body ground) BR <--> Body ground Always Below 1 Ω
E8-7 <--> Body ground ((1)) E9-4 <--> Body ground ((2)) (E03 <--> Body ground) W-B <--> Body ground Always Below 1 Ω
E7-10 <--> E8-1 ((1)) E7-21 <--> E10-3 ((2)) (D <--> E1) W-L <--> BR Shift to except D position ((3)), Depress the clutch pedal ((4)) Below 1 V
Shift to D position ((3)), Not depress the clutch pedal ((4)) 10 - 16 V
E7-12 <--> E8-1 ((1)) E7-16 <--> E10-3 ((2)) (ST1- <--> E1) R-B <--> BR Brake pedal pushed (Stop lamp switch ON) Below 1 V
Brake pedal released (Stop lamp switch OFF) 1.0 - 14 V
E7-13 <--> E8-1 ((1)) E7-18 <--> E10-3 ((2)) (PI <--> E1) P-L <--> BR Ignition switch ON Cruise control main switch ON Below 1 V
Ignition switch ON Cruise control main switch OFF 10 - 16 V
E7-17 <--> E8-1 ((1)) E7-8 <--> E10-3 ((2)) (SPD <--> E1) V-W <--> BR Engine start <--> Car stoppage Below 1.5 V <--> 4.7 - 16 V
During driving (Pulse generated) 3 - 7 V
E7-19 <--> E8-1 ((1)) E7-4 <--> E10-3 ((2)) (STP <--> E1) G-W <--> BR Brake pedal released (Stop lamp switch OFF) Below 1 V
Brake pedal pushed (Stop lamp switch ON) 1.0 - 14 V
E7-24 <--> E8-1 ((1)) E7-31 <--> E10-3 ((2)) (CCS <--> E1) W <--> BR Ignition switch ON CANCEL switch ON SET/ COAST switch ON RES/ ACC switch ON 10 - 16 V 6.6 - 11.4 V 4.5 - 8.1 V 2.3 - 4.5 V
If the value is not within the standard range, some defects on the vehicle is suspected.
(1) 1MZ-FE, 3MZ-FE
(2) 2AZ-FE
(3) A/T
(4) M/T