Terminals Of ECM
- CHECK ECM
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the A21 and C19 ECU connectors.
- Measure the voltage and resistance according to the value(s) in the table below.CONNECTOR TERMINAL REFERENCE
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A21-27 (TC) - C19-104 (E1) P - W Ground Ignition switch ON 11 to 14 V A21-27 (TC) - C19-104 (E1) P - W Ground Connect terminals TC and CG of DLC3 Below 1 V A21-36 (STP) - C19-104 (E1) G - W Stop light signal Ignition switch ON, Depress brake pedal 11 to 14 V A21-36 (STP) - C19-104 (E1) G - W Stop light signal Ignition switch ON, Release brake pedal Below 1 Ω A21-40 (CCS) - C19-104 (E1) L - W Cruise control main switch circuit Cruise control switch OFF 10 kΩ or higher A21-40 (CCS) - C19-104 (E1) L - W Cruise control main switch circuit Cruise control switch ON Below 1 Ω A21-40 (CCS) - C19-104 (E1) L - W Cruise control main switch circuit CANCEL switch ON 1386 to 1694 Ω A21-40 (CCS) - C19-104 (E1) L - W Cruise control main switch circuit -/SET switch ON 567 to 693 Ω A21-40 (CCS) - C19-104 (E1) L - W Cruise control main switch circuit +/RES switch ON 216 to 264 Ω A21-35 (ST1-) - C19-104 (E1) Y - W Stop light signal Ignition switch ON, Depress brake pedal Below 1 V A21-35 (ST1-) - C19-104 (E1) Y - W Stop light signal Ignition switch ON, Release brake pedal 11 to 14 V C19-56 (D) - C19-104 (E1)*1 L - W Clutch signal Ignition switch ON, Depress clutch pedal Below 1 V C19-56 (D) - C19-104 (E1)*1 L - W Clutch signal Ignition switch ON, Release clutch pedal 11 to 14 V C19-56 (D) - C19-104 (E1)*2 L - W D shift position switch signal Ignition switch ON, Shift lever not on D Below 1 V C19-56 (D) - C19-104 (E1)*2 L - W D shift position switch signal Ignition switch ON, Shift lever on D 11 to 14 V HINT: - *1: for Manual Transaxle
- *2: for Automatic Transaxle
If the result is not as specified, there may be a malfunction on the wire harness side.