CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM TERMINALS OF ECM
ECM
Tip:The standard voltage and resistance of each ECM terminal 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 or resistance 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
A50-1 (BATT) - B186-59 (E1)
P - BR
Battery (for measuring battery voltage and for ECM memory)
Always
11 to 14 V
A50-2 (+B) - B186-59 (E1)
B - BR
Power source of ECM
Ignition switch ON
11 to 14 V
A50-3 (+B2) - B186-59 (E1)
B - BR
Power source of ECM
Ignition switch ON
11 to 14 V
A50-9 (STP) - B186-59 (E1)
LG - BR
Stop light switch assembly signal
Brake pedal depressed
7.5 to 14 V
Brake pedal released
Below 1.5 V
A50-13 (CANH) - B186-59 (E1)
B - BR
CAN communication line
Ignition switch ON
Pulse generation
A50-23 (NSW) - B186-59 (E1)
W - BR
Park/neutral position switch signal
Ignition switch ON and shift lever in P or N
Below 1 V
Ignition switch ON and shift lever not in P or N
11 to 14 V
A50-26 (CANL) - B186-59 (E1)
W - BR
CAN communication line
Ignition switch ON
Pulse generation
A50-42 (SFTU) - B186-59 (E1)
W - BR
Up-shift position switch signal
Ignition switch ON and shift lever in M
11 to 14 V
Ignition switch ON and shift lever in "+"
Below 1 V
A50-43 (SFTD) - B186-59 (E1)
R - BR
Down-shift position switch signal
Ignition switch ON and shift lever in M
11 to 14 V
Ignition switch ON and shift lever in "-"
Below 1 V
A50-46 (MREL) - B186-59 (E1)
L - BR
EFI MAIN relay
Ignition switch ON
11 to 14 V
A50-57 (PWMS) - B186-59 (E1)
GR - BR
SPORT switch (combination switch assembly) signal
Ignition switch ON and SPORT switch (combination switch assembly) not being pushed
11 to 14 V
Ignition switch ON and SPORT switch (combination switch assembly) being pushed
Below 1.5 V
A50-59 (S) - B186-59 (E1)
L - BR
M position switch signal
Ignition switch ON and shift lever in M
11 to 14 V
Ignition switch ON and shift lever not in M
Below 1 V
B186-29 (+BM) - B186-59 (E1)
B - BR
Power source of ECM
Always
11 to 14 V
B186-39 (SLT+) - B186-38 (SLT-)
LG - V
Shift solenoid valve SLT signal
Engine idling
Pulse generation
B186-40 (DS1) - B186-59 (E1)
P - BR
Shift solenoid valve DS1 signal
Accelerator pedal released while driving with shift lever in D
Pulse generation
B186-41 (DSU) - B186-59 (E1)
R - BR
Shift solenoid valve DSU signal
Lock-up turned from off to on
Pulse generation
B186-45 (SLS+) - B186-44 (SLS-)
B - L
Shift solenoid valve SLS signal
Engine idling
Pulse generation
B186-59 (E1) - Body ground
BR - Body ground
Ground
Always
Below 1 Ω
B186-64 (R) - B186-59 (E1)
L - BR
R position switch signal
Ignition switch ON and shift lever in R
11 to 14 V
Ignition switch ON and shift lever not in R
Below 1 V
B186-65 (D) - B186-59 (E1)
GR - BR
D position switch signal
Ignition switch ON and shift lever in D
11 to 14 V
Ignition switch ON and shift lever not in D
Below 1 V
B186-68 (DS2) - B186-59 (E1)
G - BR
Shift solenoid valve DS2 signal
Accelerator pedal depressed further after driving at constant vehicle speed with shift lever in D
Pulse generation
B186-69 (N) - B186-59 (E1)
B - BR
N position switch signal
Ignition switch ON and shift lever in N
11 to 14 V
Ignition switch ON and shift lever not in N
Below 1 V
B186-70 (P) - B186-59 (E1)
V - BR
P position switch signal
Ignition switch ON and shift lever in P
11 to 14 V
Ignition switch ON and shift lever not in P
Below 1 V
B186-79 (PTO) - B186-109 (EPTO)
G - V
Oil pressure sensor signal
Engine idling with shift lever in P
0.8 to 1.2 V
B186-110 (VCPT) - B186-109 (EPTO)
R - V
Power supply for oil pressure sensor signal
Ignition switch ON
4.5 to 5.5 V
B186-123 (NIN+) - B186-124 (NIN-)
P - V
Transmission revolution sensor (NIN) signal
When driving with shift lever in D
Pulse generation
B186-125 (NTO) - B186-59 (E1)
GR - BR
Transmission revolution sensor (NT) signal
When driving with shift lever in D
Pulse generation
B186-126 (NTB) - B186-59 (E1)
P - BR
Power supply for transmission revolution sensor (NT)
Ignition switch ON
4.75 to 5.25 V
B186-127 (NOTO) - B186-59 (E1)
G - BR
Transmission revolution sensor (NOUT) signal
When driving with shift lever in D
Pulse generation
B186-128 (NOTB) - B186-59 (E1)
R - BR
Power supply for transmission revolution sensor (NOUT)
Ignition switch ON
4.75 to 5.25 V
B186-129 (THO1) - B186-130 (ETHO)
Y - GR
CVT fluid temperature sensor signal
CVT fluid temperature: 60 to 120°C (140 to 248°F)
0.2 to 1.0 V