TERMINALS OF ECM
ECM
HINT:
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 |
---|---|---|---|---|
A38-1 (BATT) - C63-59 (E1) |
R - W-B |
Battery (for measuring battery voltage and for ECM memory) |
Always |
11 to 14 V |
A38-2 (+B) - C63-59 (E1) |
B - W-B |
Power source of ECM |
Ignition switch ON |
11 to 14 V |
A38-3 (+B2) - C63-59 (E1) |
B - W-B |
Power source of ECM |
Ignition switch ON |
11 to 14 V |
A38-9 (STP) - C63-59 (E1) |
R - W-B |
Stop light switch assembly signal |
Brake pedal depressed |
7.5 to 14 V |
Brake pedal released |
Below 1.5 V |
|||
A38-13 (CANH) - C63-59 (E1) |
R - W-B |
CAN communication line |
Ignition switch ON |
Pulse generation |
A38-23 (NSW) - C63-59 (E1) |
W - W-B |
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 |
|||
A38-26 (CANL) - C63-59 (E1) |
P - W-B |
CAN communication line |
Ignition switch ON |
Pulse generation |
A38-42 (SFTU) - C63-59 (E1) |
B - W-B |
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 |
|||
A38-43 (SFTD) - C63-59 (E1) |
SB - W-B |
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 |
|||
A38-46 (MREL) - C63-59 (E1) |
G - W-B |
EFI-MAIN NO. 1 relay |
Ignition switch ON |
11 to 14 V |
A38-59 (S) - C63-59 (E1) |
W - W-B |
M position switch signal |
Ignition switch ON and shift lever in M, "+" or "-" |
11 to 14 V |
Ignition switch ON and shift lever not in M, "+" or "-" |
Below 1 V |
|||
C63-29 (+BM) - C63-59 (E1) |
P - W-B |
Power source of throttle actuator |
Always |
11 to 14 V |
C63-39 (SLP+) - C63-38 (SLP-) |
LG - R |
Shift solenoid valve SLP signal |
Engine idling |
Pulse generation |
C63-41 (SC) - C63-59 (E1) |
W - W-B |
Shift solenoid valve SC signal |
|
Pulse generation |
C63-43 (SLU+) - C63-42 (SLU-) |
BR - LG |
Shift solenoid valve SLU signal |
Lock-up turned from OFF to ON |
Pulse generation |
C63-45 (SLS+) - C63-44 (SLS-) |
B - L |
Shift solenoid valve SLS signal |
Engine idling |
Pulse generation |
C63-59 (E1) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
C63-64 (R) - C63-59 (E1) |
R - W-B |
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 |
|||
C63-65 (D) - C63-59 (E1) |
Y - W-B |
D position switch signal |
Ignition switch ON and shift lever in D, M, "+" or "-" |
11 to 14 V |
Ignition switch ON and shift lever not in D, M, "+" or "-" |
Below 1 V |
|||
C63-67 (SL) - C63-59 (E1) |
GR - W-B |
Shift solenoid valve SL signal |
Lock-up operating |
Pulse generation |
C63-69 (N) - C63-59 (E1) |
L - W-B |
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 |
|||
C63-70 (P) - C63-59 (E1) |
B - W-B |
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 |
|||
C63-79 (PTO) - C63-109 (EPTO) |
BR - P |
Oil pressure sensor signal |
Engine idling with shift lever in P |
0.8 to 1.2 V |
C63-110 (VCPT) - C63-109 (EPTO) |
G - P |
Power supply for oil pressure sensor |
Ignition switch ON |
4.5 to 5.5 V |
C63-125 (NTO) - C63-59 (E1) |
V - W-B |
Transmission revolution sensor (NT) signal |
When driving with shift lever in D |
Pulse generation |
C63-126 (NTB) - C63-59 (E1) |
P - W-B |
Power supply for transmission revolution sensor (NT) |
Ignition switch ON |
11 to 14 V |
C63-123 (NIN+) - C63-124 (NIN-) |
V - L |
Transmission revolution sensor (NIN) signal |
When driving with shift lever in D |
Pulse generation |
C63-127 (NOTO) - C63-59 (E1) |
G - W-B |
Transmission revolution sensor (NOUT) signal |
When driving with shift lever in D |
Pulse generation |
C63-128 (NOTB) - C63-59 (E1) |
R - W-B |
Power supply for transmission revolution sensor (NOUT) |
Ignition switch ON |
11 to 14 V |
C63-129 (THO1) - C63-130 (ETHO) |
Y - BR |
CVT fluid temperature sensor signal |
CVT fluid temperature: 60 to 120°C (140 to 248°F) |
0.2 to 1.0 V |
Toyota CH-R Service Manual > Meter / Gauge System: Steering Pad Switch Circuit
DESCRIPTION
The combination meter assembly and steering pad switch assembly are connected
via direct line. The main display and multi-information display in the combination
meter assembly are operated using the switches of the steering pad switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / ...
Toyota CH-R Service Manual > Power Window Control System: Auto Up Operation does not Fully Close Power Window (Jam Protection Function
is Activated)
DESCRIPTION
If a door glass does not slide smoothly or a power window regulator motor assembly
or door window regulator sub-assembly does not operate smoothly, the jam protection
function may be triggered automatically, resulting in the auto up operation being
unable to fully close the power ...