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smart fortwo

Electrical parameters

The smart fortwo has 8 electrical parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

12V supply voltage, battery controller FORTWO_12V_V_BMS

  • Request21 07
  • Service 21PID 07
  • Module79B → 7BB
  • Every5 s
  • Testing

Bits 176 to 183 of the reply, 8 bits.

Formula
(val ÷ 8)
Range
0 to 31.875 V
Unit
V

In testing for 1998 to 2024.

  1. The parameter's name and its ID in the OBDb. Confirmed shows when a response from a real car confirms the parameter.
  2. The clutch mark shows a Connectable, a parameter that Pelican surfaces in its interface.
  3. The service and PID/DID asked for, the control module it's sent to, and how often Pelican asks.
  4. The reply's bytes. The parameter's bytes are blue. Bytes for other parameters in the same reply are grayed out. Hover over a byte to see the parameter it represents.
  5. Where the parameter is in the response, and how Pelican converts the raw value into a value.
  6. A real reply, decoded. The raw value comes first, then the reading.
  7. Which model years have tested this parameter.

12V supply voltage, battery controller FORTWO_12V_V_BMS

  • Request21 07
  • Service 21PID 07
  • Module79B → 7BB
  • Every5 s
  • Testing

Bits 176 to 183 of the reply, 8 bits.

Formula
(val ÷ 8)
Range
0 to 31.875 V
Unit
V

In testing for 1998 to 2024.

DC/DC activation request FORTWO_DCDC_REQ

  • Request22 30 22
  • Service 22DID 3022
  • Module7E4 → 7EC
  • Every10 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 1998 to 2024.

DC/DC load FORTWO_DCDC_LOAD

  • Request22 34 95
  • Service 22DID 3495
  • Module7E4 → 7EC
  • Every10 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 2.56)
Range
0 to 99.21875 %
Unit
%

In testing for 1998 to 2024.

DC/DC output current FORTWO_DCDC_A

  • Request22 30 25
  • Service 22DID 3025
  • Module7E4 → 7EC
  • Every10 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 10)
Range
0 to 25.5 A
Unit
A

In testing for 1998 to 2024.

DC/DC output power FORTWO_DCDC_P

  • Request22 34 94
  • Service 22DID 3494
  • Module7E4 → 7EC
  • Every10 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 W
Unit
W

In testing for 1998 to 2024.

DC/DC output voltage FORTWO_DCDC_V

  • Request22 30 24
  • Service 22DID 3024
  • Module7E4 → 7EC
  • Every10 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 10 + 4)
Range
4 to 29.5 V
Unit
V

In testing for 1998 to 2024.

DC/DC voltage request FORTWO_DCDC_V_REQ

  • Request22 30 23
  • Service 22DID 3023
  • Module7E4 → 7EC
  • Every10 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 20 + 12)
Range
12 to 24.75 V
Unit
V

In testing for 1998 to 2024.

Power distribution 12V voltage FORTWO_USM_V

  • Request22 33 01
  • Service 22DID 3301
  • Module7E4 → 7EC
  • Every10 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 0.06 + 6)
Range
6 to 21.2999 V
Unit
V

In testing for 1998 to 2024.

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