Cruise Control System (For Sedan) Terminals Of Ecm

Engine Hybrid System. Yaris. Ncp93, 131
Cruise Control. Yaris. Ncp93, 131

  1. CHECK ECM

  1. WAVEFORM 1(Reference)

  1. WAVEFORM 2(Reference)

Cruise Control System (For Sedan) -- Terminals Of Ecm



CHECK ECM

Yaris. Ncp93, 131.Cruise Control.Cruise Control System (For Sedan).Cruise Control System (For Sedan) Terminals Of Ecm

  1. Measure the voltages of the wire harness side connectors.


Standard voltage:
Symbols (Terminals No.)
Wiring Color
Terminal Description
Condition
Specified Condition
TC (A21-27) - E1 (C20-104)
P - W
DTC output signal
Ignition switch ON
10 to 14 V
TC (A21-27) - E1 (C20-104)
P - W
DTC output signal
Ignition switch ON
Connect terminals TC and CG of DLC3
Below 2 V
ST1- (A21-35) - E1 (C20-104)
Y - W
Cruise cancel input signal
Ignition switch ON
Depress brake pedal
Below 1 V
ST1- (A21-35) - E1 (C20-104)
Y - W
Cruise cancel input signal
Ignition switch ON
Release brake pedal
10 to 14 V
STP (A21-36) - E1 (C20-104)
G - W
Stop light switch input signal
Ignition switch ON
Depress brake pedal
10 to 14 V
STP (A21-36) - E1 (C20-104)
G - W
Stop light switch input signal
Ignition switch ON
Release brake pedal
Below 1 V
CCS (A21-40) - E1 (C20-104)
L - W
Cruise control main switch output signal
Ignition switch ON
10 to 14 V
CCS (A21-40) - E1 (C20-104)
L - W
Cruise control main switch output signal
Ignition switch ON
CANCEL switch held ON
6.6 to 10.1 V
CCS (A21-40) - E1 (C20-104)
L - W
Cruise control main switch output signal
Ignition switch ON
-/SET switch held ON
4.5 to 7.1 V
CCS (A21-40) - E1 (C20-104)
L - W
Cruise control main switch output signal
Ignition switch ON
+/RES switch held ON
2.3 to 4.5 V
CCS (A21-40) - E1 (C20-104)
L - W
Cruise control main switch output signal
Ignition switch ON
MAIN switch held ON
Below 1 V
E1 (C20-104) - Body ground
W - Body ground
Ground
Always
Below 1 V
D (C20-56) - E1 (C20-104)*1
L - W
Clutch switch input signal
Ignition switch ON
Depress clutch pedal
Below 1 V
D (C20-56) - E1 (C20-104)*1
L - W
Clutch switch input signal
Ignition switch ON
Release clutch pedal
10 to 14 V
D (C20-56) - E1 (C20-104)*2
L - W
Park/neutral position switch signal
Ignition switch ON
Shift lever not in D
Below 1 V
D (C20-56) - E1 (C20-104)*2
L - W
Park/neutral position switch signal
Ignition switch ON
Shift lever in D
10 to 14 V
CANH (A21-41) - E1 (C20-104)
L - W
CAN communication line
Ignition switch ON
Pulse generation (see waveform 1)
CANL (A21-49) - E1 (C20-104)
W - W
CAN communication line
Ignition switch ON
Pulse generation (see waveform 2)
  1. *1: for Manual Transaxle
  2. *2: for Automatic Transaxle
If the result is not as specified, there may be a malfunction on the wire harness side.

WAVEFORM 1(Reference)
Yaris. Ncp93, 131.Cruise Control.Cruise Control System (For Sedan).Cruise Control System (For Sedan) Terminals Of Ecm
CAN communication signal
ECM Terminal Names
Between CANH and E1
Tester Ranges
1 V/DIV, 10 μs/DIV
Conditions
Engine stops and ignition switch ON
HINT:
The waveform varies depending on the CAN communication signal.

WAVEFORM 2(Reference)
Yaris. Ncp93, 131.Cruise Control.Cruise Control System (For Sedan).Cruise Control System (For Sedan) Terminals Of Ecm
CAN communication signal
ECM Terminal Names
Between CANL and E1
Tester Ranges
1 V/DIV, 10 μs/DIV
Conditions
Engine stops and ignition switch ON
HINT:
The waveform varies depending on the CAN communication signal.