Location and assignment of Z connector sleeves (cable connections in wiring harness) - engine compartment, right - GF00.19-P-3000-02SAA
Model 221
| Z connector sleeve | Designation | Component | Designation | Connector. Pin |
|---|---|---|---|---|
| Z2/1 | Right engine ground connector sleeve | |||
| M276 | ← W2 | Ground (right front, at lamp unit) | ||
| M276 | → T1/1 | Cylinder 1 ignition coil | 2 | |
| M276 | → T1/2 | Cylinder 2 ignition coil | 2 | |
| M276 | → T1/3 | Cylinder 3 ignition coil | 2 | |
| M276 | → W11 | Ground (engine - electrical line connected) | ||
| Z5 | Connector sleeve (solder connector in harness) | |||
| M157, M278 | ← N3/10 | ME-SFI [ME] control unit | M.17 | |
| M157, M278 | → B28/4 | Pressure sensor downstream of air filter, left cylinder bank | 3 | |
| M157, M278 | → B28/5 | Pressure sensor downstream of air filter, right cylinder bank | 3 | |
| M157, M278 | → B28/6 | Pressure sensor upstream of throttle valve actuator | 3 | |
| Z6z1 | Ground connector sleeve | |||
| M276 | ← Z6z2 | Ground connector sleeve | ||
| M276 | → T1/1 | Cylinder 1 ignition coil | 1 | |
| M276 | → T1/2 | Cylinder 2 ignition coil | 1 | |
| M276 | → T1/3 | Cylinder 3 ignition coil | 1 | |
| M276 | → Y16/2 | Heating system shutoff valve | 1 | |
| Z6z1 | Ground connector sleeve | |||
| M157, M278 | ← W34/1 | Ground (electronics - left footwell) | ||
| M157, M278 | → T1/1 | Cylinder 1 ignition coil | 1 | |
| M157, M278 | → T1/2 | Cylinder 2 ignition coil | 1 | |
| M157, M278 | → T1/3 | Cylinder 3 ignition coil | 1 | |
| M157, M278 | → T1/4 | Cylinder 4 ignition coil | 1 | |
| Start/stop, M157, M278 | → W11/2 | Ground (engine, right) | ||
| M157, M278 | → Z6z2 | Ground connector sleeve | ||
| Z6/26 | Sensor supply connector sleeve | |||
| M272, M273 | ← N3/10 | ME-SFI [ME] control unit | 1.40 | |
| M272, M273 | → G3/5 | Left O2 sensor, downstream CAT | 3 | |
| M272, M273 | → G3/6 | Right O2 sensor, downstream CAT | 3 | |
| Z6/27 | Sensor ground connector sleeve | |||
| M156 | ← N3/10 | ME-SFI [ME] control unit | 1.15 | |
| M156 | → B11/4 | Coolant temperature sensor | 2 | |
| M156 | → B17 | Intake air temperature sensor | 2 | |
| M156 | → B28 | Pressure sensor | 1 | |
| Z6/30 (1) | Circuit 31 connector sleeve | |||
| M156 | ← W15/3 | Ground (electronics) | ||
| M156 | → T1/1 | Cylinder 1 ignition coil | 2 | |
| M156 | → T1/2 | Cylinder 2 ignition coil | 2 | |
| M156 | → T1/3 | Cylinder 3 ignition coil | 2 | |
| M156 | → T1/4 | Cylinder 4 ignition coil | 2 | |
| Z7/24 | (1) Circuit 87 connector sleeve | |||
| Hybrid | ← N30/6 | Regenerative braking system control unit | A.20 | |
| Hybrid | → Z7/24 | (2) Circuit 87 connector sleeve | ||
| Z7/35(1) | Circuit 87M1e connector sleeve | |||
| M272 | ← Z7/35(2) | Circuit 87M1e connector sleeve | ||
| M272 | → C4 | Radio interference suppression capacitor | 1.1 | |
| M272 | → T1/1 | Cylinder 1 ignition coil | 1 | |
| M272 | → T1/2 | Cylinder 2 ignition coil | 1 | |
| M272 | → T1/3 | Cylinder 3 ignition coil | 1 | |
| M272 | → X26 | Interior and engine wiring harness connector | 2.1 | |
| Z7/35(1) | Circuit 87M1e connector sleeve | |||
| M273 | ← Z7/35(2) | Circuit 87M1e connector sleeve | ||
| M273 | → T1/2 | Cylinder 2 ignition coil | 1 | |
| M273 | → T1/3 | Cylinder 3 ignition coil | 1 | |
| M273 | → Y62y2 | Cylinder 2 fuel injection valve | 1 | |
| M273 | → Y62y3 | Cylinder 3 fuel injection valve | 1 | |
| M273 | → Y62y8 | Cylinder 8 fuel injection valve | 1 | |
| Z7/35(1) | Circuit 87M1e connector sleeve | |||
| M156 | ← Z7/35(2) | Circuit 87M1e connector sleeve | ||
| M156 | → B6/4 | Left intake camshaft Hall sensor | 3 | |
| M156 | → B6/6 | Left exhaust camshaft Hall sensor | 3 | |
| M156 | → Y49/4 | Left intake camshaft solenoid | 2 | |
| M156 | → Y49/6 | Left exhaust camshaft solenoid | 2 | |
| M156 | → Z7/35(3) | Circuit 87M1e connector sleeve | ||
| M156 | → Z7/35(4) | Circuit 87M1e connector sleeve | ||
| Z7/35z2 | Circuit 87M1e connector sleeve | |||
| M157, M278 | ← Z7/35z1 | Circuit 87M1e connector sleeve | ||
| M157, M278 | → B6/4 | Left intake camshaft Hall sensor | 1 | |
| M157, M278 | → B6/6 | Left exhaust camshaft Hall sensor | 1 | |
| Z7/35(4) | Circuit 87 M1e connector sleeve | |||
| M156 | ← Z7/35(1) | Circuit 87M1e connector sleeve | ||
| M156 | → B2/7 | Right hot film MAF sensor | 1 | |
| M156 | → Y62y1 | Cylinder 1 fuel injection valve | 1 | |
| M156 | → Y62y2 | Cylinder 2 fuel injection valve | 1 | |
| M156 | → Y62y3 | Cylinder 3 fuel injection valve | 1 | |
| M156 | → Y62y4 | Cylinder 4 fuel injection valve | 1 | |
| Z7/36(1) | Circuit 87 M2e connector sleeve | |||
| M272 | ← Z7/36(2) | Circuit 87 M2e connector sleeve | ||
| M272 | → G3/3 | Left O2 sensor, upstream CAT | x1.4 | |
| M272 | → G3/4 | Right O2 sensor, upstream CAT | x1.4 | |
| M272 | → G3/5 | Left O2 sensor, downstream CAT | 1 | |
| M272 | → G3/6 | Right O2 sensor, downstream CAT | 1 | |
| M272 | → Y16/2 | Heating system shutoff valve | 1 | |
| M272 | → Y32 | Air pump switchover valve | 1.2 | |
| Z7/36(1) | Circuit 87 M2e connector sleeve | |||
| M273 | ← Z7/36(2) | Circuit 87 M2e connector sleeve | ||
| M273 | → G3/3 | Left O2 sensor, upstream CAT | x1.4 | |
| M273 | → G3/4 | Right O2 sensor, upstream CAT | x1.4 | |
| M273 | → G3/5 | Left O2 sensor, downstream CAT | x1.1 | |
| M273 | → G3/6 | Right O2 sensor, downstream CAT | x1.1 | |
| M273 | → Y16/2 | Heating system shutoff valve | 1 | |
| M273 | → Y32 | Air pump switchover valve | 1.2 | |
| Z7/36z2 | Circuit 87 M2e connector sleeve | |||
| M157, M278 | ← Z7/36z1 | Circuit 87 M2e connector sleeve | ||
| M157 | → B40 | Oil sensor (oil level, temperature and quality) | 3 | |
| M157, M278 | → G3/6 | Right O2 sensor downstream TWC [KAT] | x1.1 | |
| M157, M278 | → Y77/1 | Boost pressure positioner | 1 | |
| M157, M278 | → Y130 | Engine oil pump valve | 1 | |
| Z7/38 (1) | Circuit 87 M1i connector sleeve | |||
| M272 | ← Z7/38(2) | Circuit 87 M1i connector sleeve | ||
| M272 | → B2/5 | Hot film mass air flow sensor | 1.1 | |
| M272 | → B6/5 | Right intake camshaft Hall sensor | 3 | |
| M272 | → B6/7 | Right exhaust camshaft Hall sensor | 3 | |
| M272 | → Y49/5 | Right intake camshaft solenoid | 2 | |
| M272 | → Y49/7 | Right exhaust camshaft solenoid | 2 | |
| M272 | → Y62y1 | Cylinder 1 fuel injection valve | 1.1 | |
| M272 | → Y62y2 | Cylinder 2 fuel injection valve | 2.1 | |
| M272 | → Y62y3 | Cylinder 3 fuel injection valve | 3.1 | |
| M272 | → Y62y5 | Cylinder 5 fuel injection valve | 5.1 | |
| M272 | → Y62y6 | Cylinder 6 fuel injection valve | 6.1 | |
| Z7/38 (1) | Circuit 87 M1i connector sleeve | |||
| M273 | ← Z7/38(2) | Circuit 87 M1i connector sleeve | ||
| M273 | → C4/1 | Radio interference suppression capacitor 1 | 1 | |
| M273 | → B6/5 | Right intake camshaft Hall sensor | 3 | |
| M273 | → B6/7 | Right exhaust camshaft Hall sensor | 3 | |
| M273 | → T1/1 | Cylinder 1 ignition coil | 1 | |
| M273 | → T1/4 | Cylinder 4 ignition coil | 1 | |
| M273 | → Y49/5 | Right intake camshaft solenoid | 2 | |
| M273 | → Y49/7 | Right exhaust camshaft solenoid | 2 | |
| M273 | → Y62y1 | Cylinder 1 fuel injection valve | 1 | |
| M273 | → Y62y4 | Cylinder 4 fuel injection valve | 1 | |
| M273 | → Y62y7 | Cylinder 7 fuel injection valve | 1 | |
| Z7/38 (1) | Circuit 87 M1i connector sleeve | |||
| M275 | ← Z7/38 | Circuit 87 M1i connector sleeve | ||
| M275 | → C4 | Radio interference suppression capacitor | ||
| M275 | → N91 | ECI ignition system power pack | 4 | |
| 5 | ||||
| M275 | → Y62y1 | Cylinder 1 fuel injection valve | 1.1 | |
| M275 | → Y62y2 | Cylinder 2 fuel injection valve | 2.1 | |
| M275 | → Y62y3 | Cylinder 3 fuel injection valve | 3.1 | |
| M275 | → Y62y4 | Cylinder 4 fuel injection valve | 4.1 | |
| M275 | → Y62y5 | Cylinder 5 fuel injection valve | 5.1 | |
| M275 | → Y62y6 | Cylinder 6 fuel injection valve | 6.1 | |
| M275 | → Z7/38(2) | Circuit 87 M1i connector sleeve | ||
| Z7/38z1 | Circuit 87 M1i connector sleeve | |||
| M276 | ← N3/10 | ME-SFI [ME] control unit | M1.3 | |
| M276 | → B6/5 | Right intake camshaft Hall sensor | 1 | |
| M276 | → B6/7 | Right exhaust camshaft Hall sensor | 1 | |
| M276 | → T1/1 | Cylinder 1 ignition coil | 3 | |
| M276 | → T1/2 | Cylinder 2 ignition coil | 3 | |
| M276 | → T1/3 | Cylinder 3 ignition coil | 3 | |
| M276 | → Y49/5 | Right intake camshaft solenoid | 2 | |
| M276 | → Y49/7 | Right exhaust camshaft solenoid | 2 | |
| Z7/38z1 | Circuit 87 M1i connector sleeve | |||
| M157, M278 | ← N10/1 | Front SAM control unit with fuse and relay module | M1.3 | |
| M157, M278 | → T1/1 | Cylinder 1 ignition coil | 3 | |
| M157, M278 | → T1/6 | Cylinder 6 ignition coil | 3 | |
| M157, M278 | → T1/7 | Cylinder 7 ignition coil | 3 | |
| M157, M278 | → B6/7 | Right exhaust camshaft Hall sensor | 1 | |
| M157, M278 | → Y49/5 | Right intake camshaft solenoid | 2 | |
| M157, M278 | → Y49/7 | Right exhaust camshaft solenoid | 2 | |
| M157, M278 | → Z7/38z2 | Circuit 87 M1i connector sleeve | ||
| Z7/38(2) | Circuit 87 M1i connector sleeve | |||
| M272 | ← N10/1 | Front SAM control unit with fuse and relay module | M1.3 | |
| M272 | → B6/4 | Left intake camshaft Hall sensor | 3 | |
| M272 | → B6/6 | Left exhaust camshaft Hall sensor | 3 | |
| M272 | → X26 | Interior and engine wiring harness connector | 1.4 | |
| M272 | → Y49/4 | Left intake camshaft solenoid | 2 | |
| M272 | → Y49/6 | Left exhaust camshaft solenoid | 2 | |
| M272 | → Y62y4 | Cylinder 4 fuel injection valve | 4.1 | |
| M272 | → Z7/38 | (1) Circuit 87 M1i connector sleeve | ||
| Z7/38(2) | Circuit 87 M1i connector sleeve | |||
| M273 | ← N10/1 | Front SAM control unit with fuse and relay module | M1.3 | |
| M273 | → B2/5 | Hot film mass air flow sensor | 1 | |
| M273 | → T1/6 | Cylinder 6 ignition coil | 1 | |
| M273 | → T1/7 | Cylinder 7 ignition coil | 1 | |
| M273 | → X26 | Interior and engine wiring harness connector | 1.4 | |
| M273 | → Y62y5 | Cylinder 5 fuel injection valve | 1 | |
| M273 | → Y62y6 | Cylinder 6 fuel injection valve | 1 | |
| M273 | → Z7/38 (1) | Circuit 87 M1i connector sleeve | ||
| Z7/38(2) | Circuit 87 M1i connector sleeve | |||
| M275 | ← Z7/38(1) | Circuit 87 M1i connector sleeve | ||
| M275 | → Y62y7 | Cylinder 7 fuel injection valve | 7.1 | |
| M275 | → Y62y8 | Cylinder 8 fuel injection valve | 8.1 | |
| M275 | → Y62y9 | Cylinder 9 fuel injection valve | 9.1 | |
| M275 | → Y62y10 | Cylinder 10 fuel injection valve | 10.1 | |
| M275 | → Y62y11 | Cylinder 11 fuel injection valve | 11.1 | |
| M275 | → Y62y12 | Cylinder 12 fuel injection valve | 12.1 | |
| Z7/41 | Sensor supply connector sleeve | |||
| M275 | ← N3/10 | ME-SFI [ME] control unit | 3.6 | |
| M275 | → B6/3 | Camshaft Hall sensor, right cylinder bank | 3 | |
| M275 | → B28/4 | Pressure sensor downstream of air filter, left cylinder bank | 3 | |
| M275 | → B28/5 | Pressure sensor downstream of air filter, right cylinder bank | 3 | |
| M275 | → B28/6 | Pressure sensor upstream of throttle valve actuator | 3 | |
| M275 | → B28/7 | Pressure sensor downstream of throttle valve actuator | 3 | |
| M275 | → B40 | Oil sensor (oil level, temperature and quality) | 3 | |
| Z7/43 | Sensor ground connector sleeve | |||
| M273 | ← N3/10 | ME-SFI [ME] control unit | 1.15 | |
| M273 | → B6/5 | Right intake camshaft Hall sensor | 1 | |
| M273 | → B6/7 | Right exhaust camshaft Hall sensor | 1 | |
| M273 | → B28 | Pressure sensor | 1 | |
| M273 | → B28/10 | Right intake manifold tumble flap position sensor | 2 | |
| Z7/43(1) | Sensor ground connector sleeve | |||
| M272 | ← Z3/10 | ME-SFI [ME] control unit | 1.15 | |
| M272 | → B6/5 Right | intake camshaft Hall sensor | 1 | |
| M272 | → B6/7 | Right exhaust camshaft Hall sensor | 1 | |
| M272 | → B28 | Pressure sensor | 1 | |
| M272 | → B28/10 | Right intake manifold tumble flap position sensor | 2 | |
| Z7/43(1) | Sensor ground connector sleeve | |||
| M275 | ← Z7/43 (2) | Sensor ground connector sleeve | ||
| M275 | → B11/4 | Coolant temperature sensor | 2 | |
| M275 | → B17/8 | Charge air temperature sensor | 1 | |
| M275 | → B28/5 | Pressure sensor downstream of air filter, right cylinder bank | 1 | |
| M275 | → B28/7 | Pressure sensor downstream of throttle valve actuator | 1 | |
| M275 | → B40 | Oil sensor (oil level, temperature and quality) | 2 | |
| Z7/43z1 | Sensor ground connector sleeve | |||
| M157, M278 | ← N3/10 | ME-SFI [ME] control unit | M.70 | |
| M157, M278 | → B6/5 | Right intake camshaft Hall sensor | 3 | |
| M157, M278 | → B6/7 | Right exhaust camshaft Hall sensor | 3 | |
| M157, M278 | → B11/4 | Coolant temperature sensor | 1 | |
| M157, M278 | → B17/8 | Charge air temperature sensor | 1 | |
| M157, M278 | → G3/5 | Left O2 sensor, downstream of CAT | x1.3 | |
| M157, M278 | → G3/6 | Right O2 sensor downstream TWC [KAT] | x1.3 | |
| Z7/43 (2) | Sensor ground connector sleeve | |||
| M275 | ← N3/10 | ME-SFI [ME] control unit | 3.4 | |
| M275 | → B6/3 | Camshaft Hall sensor, right cylinder bank | 1 | |
| M275 | → B28/4 | Pressure sensor downstream of air filter, left cylinder bank | 1 | |
| M275 | → B28/6 | Pressure sensor upstream of throttle valve actuator | 1 | |
| M275 | → Z7/43(1) | Sensor ground connector sleeve | ||
| Z7/44 | Sensor ground connector sleeve | |||
| M273 | ← N3/10 | ME-SFI [ME] control unit | 1.16 | |
| M273 | → B6/4 | Left intake camshaft Hall sensor | 1 | |
| M273 | → B6/6 | Left exhaust camshaft Hall sensor | 1 | |
| M273 | → B11/4 | Coolant temperature sensor | 1.1 | |
| M273 | → B28/9 | Left intake manifold tumble flap position sensor | 2 | |
| Z7/44(2) | Sensor ground connector sleeve | |||
| Hybrid | ← N3/10 | ME-SFI [ME] control unit | M.16 | |
| Hybrid | → B11/4 | Coolant temperature sensor | 1 | |
| Z7/98(1) | Circuit 87 connector sleeve M3e | |||
| M156 | ← Z7/98 (3) | Circuit 87 connector sleeve M3e | ||
| M156 | → C4/2 | Radio interference suppression capacitor 2 | 1 | |
| M156 | → T1/1 | Cylinder 1 ignition coil | 1 | |
| M156 | → T1/2 | Cylinder 2 ignition coil | 1 | |
| M156 | → T1/3 | Cylinder 3 ignition coil | 1 | |
| M156 | → T1/4 | Cylinder 4 ignition coil | 1 | |
| Z36/3z1 | Front PTS sensor ground connector sleeve | |||
| Up to 05/09 | ← N62 | PTS control unit | b.13 | |
| As of 06/09 | ← N62 | PTS control unit | B.2 | |
| As of 06/09 | → B8/1 | Outer left front PTS ultrasonic sensor | 3 | |
| As of 06/09 | → B8/2 | Center left front PTS ultrasonic sensor | 3 | |
| As of 06/09 | → B8/3 | Inner left front PTS ultrasonic sensor | 3 | |
| As of 06/09 | → B8/4 | Inner right front PTS ultrasonic sensor | 3 | |
| As of 06/09 | → B8/5 | Center right front PTS ultrasonic sensor | 3 | |
| As of 06/09 | → B8/6 | Outer right front PTS ultrasonic sensor | 3 | |
| Z36/4z1 | Front PTS sensor voltage supply connector sleeve | |||
| Up to 08/07 | ← N62 | PTS control unit | b.34 | |
| As of 09/07 | ← N62 | PTS control unit | b.8 | |
| → B8/1 | Outer left front PTS ultrasonic sensor | 3 | ||
| → B8/2 | Center left front PTS ultrasonic sensor | 3 | ||
| → B8/3 | Inner left front PTS ultrasonic sensor | 3 | ||
| → B8/4 | Inner right front PTS ultrasonic sensor | 3 | ||
| → B8/5 | Center right front PTS ultrasonic sensor | 3 | ||
| → B8/6 | Outer right front PTS ultrasonic sensor | 3 | ||
| → Z3/19 | Circuit 15 connector sleeve (fused) (PTS) | |||
| Z36/16 | Front CAN (low) sensor connector sleeve | |||
| Up to 05/09 | ← N62/1 | Radar sensors control unit (SGR) A. | 13 | |
| Up to 05/09 | → A86/1b1 | Left outer radar sensor, front bumper | 1.3 | |
| Valid for Distronic Plus, up to 05/09 | → A86/1b2 | Left inner radar sensor, front bumper | 2.3 | |
| As of 06/09 | → A86/1b2 | Left inner radar sensor, front bumper | 3 | |
| Valid for Distronic Plus, up to 05/09 | → A86/1b3 | Right inner radar sensor, front bumper | 3.3 | |
| As of 06/09 | → A86/1b3 | Right inner radar sensor, front bumper | 3 | |
| Up to 05/09 | → A86/1b4 | Right outer radar sensor, front bumper | 4.3 | |
| As of 06/09 | → Z37/7 | CAN bus (low) connector sleeve | ||
| Z36/18 | Front CAN (high) sensor connector sleeve | |||
| Up to 05/09 | ← N62/1 | Radar sensors control unit (SGR) A. | 12 | |
| Up to 05/09 | → A86/1b1 | Left outer radar sensor, front bumper | 1.2 | |
| Valid for Distronic Plus, up to 05/09 | → A86/1b2 | Left inner radar sensor, front bumper | 2.2 | |
| As of 06/09 | → A86/1b2 | Left inner radar sensor, front bumper | 2 | |
| Valid for Distronic Plus, up to 05/09 | → A86/1b3 | Right inner radar sensor, front bumper | 3.2 | |
| As of 06/09 | → A86/1b3 | Right inner radar sensor, front bumper | 2 | |
| Up to 05/09 | → A86/1b4 | Right outer radar sensor, front bumper | 4.2 | |
| As of 06/09 | → Z37/6 | CAN databus (high) connector sleeve | ||
| Z36/26 | Front DISTRONIC PLUS sensor ground connector sleeve | |||
| Up to 05/09 | ← W17/1 | Ground (left rear seat) | ||
| as of 06/09 | ← W7/1 | Ground (right taillamp in trunk) | ||
| Up to 05/09 | → A86/1b1 | Left outer radar sensor, front bumper 1.1 | 1.5 | |
| 1.6 | ||||
| Valid for Distronic Plus, up to 05/09 | → A86/1b2 | Left inner radar sensor, front bumper | 2.1 | |
| 2.5 | ||||
| as of 06/09 | → A86/1b2 | Left inner radar sensor, front bumper | 1 | |
| 5 | ||||
| Valid for Distronic Plus, up to 05/09 | → A86/1b3 | Right inner radar sensor, front bumper | 3.1 | |
| 3.6 | ||||
| As of 06/09 | → A86/1b3 | Right inner radar sensor, front bumper | 1 | |
| 5 | ||||
| 6 | ||||
| Up to 05/09 | → A86/1b4 | Right outer radar sensor, front bumper | 4.1 | |
| Z36/27 | DISTRONIC front voltage supply connector sleeve | |||
| Valid for Distronic Plus, up to 05/09 | → A86/1b2 | Left inner radar sensor, front bumper | 2.4 | |
| Valid for Distronic Plus, up to 05/09 | → A86/1b3 | Right inner radar sensor, front bumper | 3.4 | |
| → A86/1b4 | Right outer radar sensor, front bumper | 4.4 | ||
| as of 06/09 | → A86/1b2 | Left inner radar sensor, front bumper | 4 | |
| As of 06/09 | → A86/1b3 | Right inner radar sensor, front bumper | 4 | |
| Z215/1 | Sensor ground connector sleeve | |||
| Hybrid | ← N3/10 | ME-SFI [ME] control unit | M.19 | |
| Hybrid | → B6/4 | Left intake camshaft Hall sensor | 1 | |
| Hybrid | → B6/5 | Right intake camshaft Hall sensor | 1 | |
| Hybrid | → B6/6 | Left exhaust camshaft Hall sensor | 1 | |
| Hybrid | → B6/7 | Right exhaust camshaft Hall sensor | 1 |