Cruise control parameters
The Mazda CX-7 has 4 cruise control parameters.
● Confirmed◆ In testing○ Supported× Not supported
Cruise control speed MAZDA_CC_S
- Request
21 21 - Service 21
PID 21 - Module
7E0 → 7E8 - Every
250 ms - Testing
Bits 8 to 15 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255 km/h
- Unit
- km/h
In testing for 2007 to 2012.
Cruise control voltage MAZDA_SCCS_VConfirmed
0.0V = On/Off Switch depressed, 1.1V = Cancel depressed, 3.1V = Set/- switch depressed, 4.2V = Res/+ switch depressed, 5.0V = Normal
- Request
22 A2 16 - Service 22
DID A216 - Module
7E0 → 7E8 - Every
1 s - Testing
Example reply from a 2009 Mazda CX-7.
Bits 0 to 15 of the reply, 16 bits.
0xFFC0 = 65472 → (65472 × 5 ÷ 65535) = 4.995193 V
- Formula
(val × 5 ÷ 65535)- Range
- 0 to 5 V
- Unit
- V
Confirmed for 2009. In testing for 2007 to 2008, 2010 to 2012.
Distance from bumper to target MAZDA_CC_TGT_DIST
- Request
22 D9 01 - Service 22
DID D901 - Module
793 → 79B - Every
250 ms - Testing
Bits 8 to 15 of the reply, 8 bits.
- Formula
(val ÷ 4)- Range
- 0 to 63.75 m
- Unit
- m
In testing for 2007 to 2008, 2010 to 2012. Not supported for 2009.
Target vehicle speed MAZDA_CC_TGT_VSS
The speed of the vehicle ahead of you.
- Request
22 A2 24 - Service 22
DID A224 - Module
764 → 76C - Every
250 ms - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val × 3.6 ÷ 10)- Range
- -736 to 736 km/h
- Unit
- km/h
In testing for 2007 to 2012.