Figure 1. Sub-battery Module Assembly
*1 | Sub-battery Module Assembly | - | - |
Terminal No. (Symbol) |
Wiring Color | Input/Output | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|---|
b7-1 (+BAT) - m1-1 (-BAT) | B-W - B-DG | IN/OUT | Sub-battery voltage | 5 seconds elapse after turning power switch on (IG) | 11 to 14 V |
b5-1 (RO) - m1-1 (-BAT) | B - B-DG | OUT | Sub-battery condition signal | Power switch on (IG) | Pulse generation (See waveform 1) |
b5-3 (CANH) - m1-1 (-BAT) | GR - B-DG | IN/OUT | CAN communication line | Power switch on (IG) | Pulse generation (See waveform 2) |
b5-5 (BR) - m1-1 (-BAT) | W - B-DG | IN | Back-up request signal | Power switch on (IG) | Pulse generation (See waveform 3) |
b5-7 (B) - m1-1 (-BAT) | R - B-DG | IN | Sub-battery ECU power supply | Power switch off | 11 to 14 V |
b5-8 (BUR) - m1-1 (-BAT) | V - B-DG | OUT | Backup relay control signal | Power switch on (IG) | Pulse generation (See waveform 4) |
b5-10 (CANL) - m1-1 (-BAT) | W - B-DG | IN/OUT | CAN communication line | Power switch on (IG) | Pulse generation (See waveform 2) |
b5-11 (RD2) - m1-1 (-BAT) | SB - B-DG | IN | Backup relay signal | Power switch on (IG) | Pulse generation (See waveform 5) |
b5-12 (RD1) - m1-1 (-BAT) | L - B-DG | IN | Backup relay signal | Power switch on (IG) | Pulse generation (See waveform 6) |
b5-14 (IG) - m1-1 (-BAT) | P - B-DG | IN | IG power supply | Power switch on (IG) | 11 to 14 V |
Figure 2. Backup Relay
*1 | Backup Relay | - | - |
Terminal No. (Symbol) |
Wiring Color | Input/Output | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|---|
5B-1 (BAT1) - 5D-8 (GND) | B-W - W-B | IN | Auxiliary battery voltage | Power switch off | 11 to 14 V |
5A-1 (BAT2) - 5D-8 (GND) | B-W - W-B | IN | Sub-battery voltage | 5 seconds elapse after turning power switch on (IG) | 11 to 14 V |
5D-1 (RLY1) - 5D-8 (GND) | V - W-B | IN | Backup relay control signal | Power switch on (IG) | Pulse generation (See waveform 4) |
5D-6 (RD12) - 5D-8 (GND) | SB - W-B | OUT | Backup relay condition signal | Power switch on (IG) | Pulse generation (See waveform 5) |
5D-3 (RD11) - 5D-8 (GND) | L - W-B | OUT | Backup relay condition signal | Power switch on (IG) | Pulse generation (See waveform 6) |
Oscilloscope waveforms
Tech Tips
Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.
Waveform 1
Item | Content |
---|---|
Terminal | b5-1 (RO) - m1-1 (-BAT) |
Equipment Setting | 5 V/DIV, 10 ms/DIV |
Condition | Power switch on (IG) |
Tech Tips
The duty ratio changes according to the vehicle condition.
Waveform 2
Item | Content |
---|---|
Terminal | CH1: b5-3 (CANH) - m1-1 (-BAT) CH2: b5-10 (CANL) - m1-1 (-BAT) |
Equipment Setting | 1 V/DIV, 10 μs/DIV |
Condition | Power switch on (IG) |
Waveform 3
Item | Content |
---|---|
Terminal | b5-5 (BR) - m1-1 (-BAT) |
Equipment Setting | 5 V/DIV, 10 ms/DIV |
Condition | Power switch on (IG) |
Tech Tips
The duty ratio changes according to the vehicle condition.
Waveform 4
Item | Content |
---|---|
Terminal |
|
Equipment Setting | 5 V/DIV, 20 ms/DIV |
Condition | Power switch on (IG) |
Tech Tips
The duty ratio changes according to the vehicle condition.
Waveform 5
Item | Content |
---|---|
Terminal |
|
Equipment Setting | 5 V/DIV, 20 ms/DIV |
Condition | Power switch on (IG) |
Tech Tips
The duty ratio changes according to the vehicle condition.
Waveform 6
Item | Content |
---|---|
Terminal |
|
Equipment Setting | 5 V/DIV, 20 ms/DIV |
Condition | Power switch on (IG) |
Tech Tips
The duty ratio changes according to the vehicle condition.