DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU
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CHECK DRIVING SUPPORT ECU
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition C1-7 (MODE) - C1-25 (GND) Y - W-B Steering pad switch signal
(Distance control switch signal)
Power switch on (IG),
Distance control switch off
11 to 14 V C1-7 (MODE) - C1-25 (GND) Y - W-B Steering pad switch signal
(Distance control switch signal)
Power switch on (IG),
Distance control switch on
Below 2 V C1-10 (CCHG) - C1-25 (GND) L - W-B Cruise control main switch signal Power switch on (IG),
MODE switch off
10 to 14 V C1-10 (CCHG) - C1-25 (GND) L - W-B Cruise control main switch signal Power switch on (IG),
MODE switch on
Below 1 V C1-16 (LRDD) - C1-25 (GND) GR - W-B Millimeter wave radar sensor input signal Power switch on (IG) Pulse generation
(See waveform 1)
C1-17 (CA2L) - C1-25 (GND) W - W-B CAN communication signal Power switch on (IG) Pulse generation
(See waveform 2)
C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal Power switch on (IG) 10 to 14 V C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal Power switch on (IG),
CANCEL switch on
6.6 to 10.1 V C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal Power switch on (IG),
-SET switch on
4.5 to 7.1 V C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal Power switch on (IG),
+RES switch on
2.3 to 4.0 V C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal Power switch on (IG),
Main switch on
Below 1 V C1-25 (GND) - Body ground W-B - Body ground Earth (ground circuit of driving support ECU) Always Below 1 Ω C1-27 (STP-) - C1-25 (GND) V - W-B Stop light switch signal Brake pedal released Below 1.5 V C1-27 (STP-) - C1-25 (GND) V - W-B Stop light switch signal Brake pedal depressed 11 to 14 V C1-28 (ST1-) - C1-25 (GND) BR - W-B Stop light switch signal Power switch on (IG),
Brake pedal released
11 to 14 V C1-28 (ST1-) - C1-25 (GND) BR - W-B Stop light switch signal Power switch on (IG),
Brake pedal depressed
Below 1.5 V C1-30 (B) - C1-25 (GND) P - W-B Power source Power switch on (IG) 11 to 14 V C1-32 (WIP2) - C1-25 (GND) SB - W-B Wiper switch signal Power switch on (IG),
Wiper switch off
Below 1 V C1-32 (WIP2) - C1-25 (GND) SB - W-B Wiper switch signal Power switch on (IG),
Wiper switch LO position
6 to 7 V C1-32 (WIP2) - C1-25 (GND) SB - W-B Wiper switch signal Power switch on (IG),
Wiper switch HI position
11 to 14 V C1-38 (LRRD) - C1-25 (GND) LG - W-B Millimeter wave radar sensor output signal Power switch on (IG) Pulse generation
(See waveform 3)
C1-39 (CA2H) - C1-25 (GND) B - W-B CAN communication signal Power switch on (IG) Pulse generation
(See waveform 4)
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WAVEFORM 1
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Millimeter wave radar sensor input signal
ECM Terminal Name Between LRDD - GND Tester Range 2 V/DIV., 10 msec./DIV. Condition Power switch on (IG)
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WAVEFORM 2
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CAN communication signal
ECM Terminal Name Between CA2L and GND Tester Range 1 V/DIV., 10 μsec./DIV. Condition Power switch on (IG) Tech Tips
The waveform varies depending on the CAN communication signal.
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WAVEFORM 3
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Millimeter wave radar sensor output signal
ECM Terminal Name Between LRRD - GND Tester Range 2 V/DIV., 5 msec./DIV. Condition Power switch on (IG)
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WAVEFORM 4
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CAN communication signal
ECM Terminal Name Between CA2H and GND Tester Range 1 V/DIV., 10 μsec./DIV. Condition Power switch on (IG) Tech Tips
The waveform varies depending on the CAN communication signal.
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CHECK POWER MANAGEMENT CONTROL ECU
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A81-11 (D) - F97-6 (E1) Y - BR D shift position switch signal Power switch on (IG), Shift lever in D 11 to 14 V A81-11 (D) - F97-6 (E1) Y - BR D shift position switch signal Power switch on (IG), Shift lever in any position other than D 0 to 1.5 V F97-6 (E1) - Body ground BR - Body ground Earth (ground) circuit of power management control ECU Always Below 1 Ω F97-11 (TC) - F97-6 (E1) BR - BR Terminal TC of DLC3 Power switch on (IG) 11 to 14 V F97-11 (TC) - F97-6 (E1) BR - BR Terminal TC of DLC3 Terminals TC and CG of DLC3 connected Below 1 V F97-34 (CA2H) - F97-6 (E1) G - BR CAN communication line Power switch on (IG) Pulse generation
(see waveform 1)
F97-35 (CA2L) - F97-6 (E1) L - BR CAN communication line Power switch on (IG) Pulse generation
(see waveform 2)
F98-24 (CA1L) - F97-6 (E1) R - BR CAN communication line Power switch on (IG) Pulse generation
(see waveform 2)
F98-25 (CA1H) - F97-6 (E1) LG - BR CAN communication line Power switch on (IG) Pulse generation
(see waveform 1)
F98-30 (CA3N) - F97-6 (E1) W - BR CAN communication line Power switch on (IG) Pulse generation
(see waveform 2)
F98-31 (CA3P) - F97-6 (E1) V - BR CAN communication line Power switch on (IG) Pulse generation
(see waveform 1)
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WAVEFORM 1
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CAN communication signal
ECM Terminal Name Between CA1H - E1, CA2H - E1 or CA3P - E1 Tester Range 1 V/DIV., 10 μsec./DIV. Condition Power switch on (IG) Tech Tips
The waveform varies depending on the CAN communication signal.
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WAVEFORM 2
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CAN communication signal
ECM Terminal Name Between CA1L - E1, CA2L - E1 or CA3N - E1 Tester Range 1 V/DIV., 10 μsec./DIV. Condition Power switch on (IG)) Tech Tips
The waveform varies depending on the CAN communication signal.
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