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 > Washer Level Warning Switch: Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT WHEEL RH
Click here
2. REMOVE ROCKER PANEL MOULDING RH
Click here
3. REMOVE FRONT FENDER MOULDING SUB-ASSEMBLY RH
Click here
4. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH
Click here
5. REMOVE FRONT FENDER LINER RH
Click here
6. DRA ...
Toyota CH-R Service Manual > Meter / Gauge System: System Diagram
SYSTEM DIAGRAM
HINT:
Inspect the communication function by CAN communication system.
Click here
...