ESP BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual

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2.5 GN
3 X61513 X61523 X6154
1T6151
CYL. 1 IGNITION
COILT6152
CYL. 2 IGNITION
COILT6154
CYL. 4 IGNITION
COILX6151
3 X6153
1T6153
CYL. 3 IGNITION
COIL
2X615321 X615221 X6154
1 GN 1 GN
2
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
49
X6456
GROUND
DISTRIBUTION
0670.4
5022
X6456
GROUND
DISTRIBUTION
0670.4
23
1 BR 1 BR1 GN
1 WS 1 RT 1 GESPARK PLUGS 1 GN
A6000
ENGINE CONTROL
MODULE (DME)1 BR 1 BR
1 BL
175X61506
2 X6150
2.5 GN
X6454
X6000
1.5
WS1 .5 RT 1.5 GE 1.5 BL
X6833
31 31 31 31



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Pin Assignments (4-Cylinder)
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E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
265
Not used
266AShift-lock solenoid controlShift-lock
267Not used
268ASolenoid valve 3 control (–)Transmission valve unit
269AHydraulic pressure regulator control (–)Transmission valve unit
270MGroundGround point
271Not used
272EGear range signal L2Automatic transmission range switch
273EGear range signal L4Automatic transmission range switch
274EBrake pedal positionBrake light switch
275Not used
276ESport mode signalNot used
277EManual mode signalProgram switch
278EOutput speed (–)Transmission valve unit
279MGround for shieldShield for speed sensor
280Not used
281AS-program indicationNot used
282EKick-down signalKick-down switch
283Not used
284EAutomatic mode signalProgram switch
285EOil temperature signal (–)Transmission valve unit
286EOil temperature signal (+)Transmission valve unit
287Not used
288Not used
289AFault indicator signalInstrument cluster
290EBattery voltageB+ jump start junction point
291AM-program indicationProgram switch
292MGroundGround point
293Not used
294ASolenoid valve 1 control (–)Transmission valve unit


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Pin Assignments (4-Cylinder)
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
123
AABS signalABS pump motor relay/Hydraulic unit
124ESpeed signalLeft front speed sensor (ABS)
125ESpeed signalRight front speed sensor (ABS)
126ESpeed signalLeft rear speed sensor (ABS)
127ESpeed signalRight rear speed sensor (ABS)
128E/ATxD diagnostic data linkData link connector
129ARight rear speed signalDME module
130Not used
131EASC signalASC switch
132AABS signalInstrument cluster
133MGroundGround point
134AASC signalInstrument cluster
X1652
Pin Type Description/Function Connection
1
AADS step motor (–)Auxiliary throttle position motor
2MGroundGround point
3AADS step motor (+)Auxiliary throttle position motor
4EVoltage supplyFuse 38
5AABS signalABS hydraulic unit


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Pin Assignments (6-Cylinder)
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
31
Not used
32EBrake signalBrake light switch
33EPlus supplyABS protection relay
34AABS lamp controlInstrument cluster
35EIgnition signalFuse 21
36ASolenoid valveABS hydraulic unit
37ARight front solenoid valve signalABS hydraulic unit
38Not used
39ARight rear solenoid valve signalABS hydraulic unit
40ALeft front solenoid valve signalABS hydraulic unit
41ESpeed signalDME module
42EASC throttle flap potentiometer (+)ASC throttle flap potentiometer
43EASC throttle flap signalASC throttle flap potentiometer
44AASC lamp controlInstrument cluster
45ERight rear speed sensor signalRight rear speed sensor
46ELeft rear speed sensor signalLeft rear speed sensor
47ERight front speed sensor signalRight front speed sensor
48ELeft front speed sensor signalLeft front speed sensor
49EPump motor sensor signalABS hydraulic unit
50EShield pump motor sensorABS hydraulic unit
51EPlus supplyFront power distribution box, fuse 10
52AABS pump motor relayABS pump motor relay
53Not used
54ALeft front solenoid valve signalABS hydraulic unit
55ALeft rear solenoid valve signalABS hydraulic unit


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Pin Assignments (M Roadster)
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E = Input, A = Output, M = Ground
X1175
Pin Type Description/Function Connection
56
EVoltage supplyFuse 13
57ALeft front inlet valveABS hydraulic unit
58AVoltage supplyValve – Engine control relay
59Not used
60Not used
61ARight rear inlet valveABS hydraulic unit
62AActivare relayEngine control relay
63Not used
64Not used
65MSensor groundLeft front speed sensor (ABS)
66ESpeed signalRight rear speed sensor (ABS)
67MSensor groundLeft rear speed sensor (ABS)
68ESpeed signalLeft rear speed sensor (ABS)
69MSensor groundRight front speed sensor (ABS)
70ESpeed signalRight front speed sensor (ABS)
71Not used
72Not used
73EEngine signal 1Engine control module (DME)
74ERelay activation feedbackEngine control relay
75ESpeed signalEngine control module (DME)
76Not used
77Not used
78AADS step motor (+)ADS step motor
79ECharge indicatorGenerator
80ALeft rear outlet valveABS hydraulic unit
81AShut-off valve (ASC)ABS hydraulic unit
82ARight front outlet valveABS hydraulic unit
83MGroundGround point
84MGroundGround point
85AABS lamp controlInstrument cluster


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Pin Assignments (M Roadster)
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
86
AASC lamp controlInstrument cluster
87Not used
88ALeft front outlet valveABS hydraulic unit
89ARight rear outlet valveABS hydraulic unit
90ARight rear speed signalEngine control module (DME)
91ESpeed signalLeft front speed sensor (ABS)
92AActivate relayValve relay
93MSensor groundRight rear speed sensor (ABS)
94AThrottle position sensor (–)Auxiliary throttle position sensor
95Not used
96Not used
97Not used
98AThrottle position sensor (+)Auxiliary throttle position sensor
99EASC-ON-signalASC switch
100Not used
101E/ATXD signalDiagnostic link
102Not used
103EBrake signalBrake light switch
104AChangeover valve (ASC)ABS hydraulic unit
105Not used
106EVoltage supplyFuse 10
107ALeft rear inlet valveABS hydraulic unit
108AADS step motor (–)ADS step motor
109ARight front inlet valveABS hydraulic unit
11 0MGroundGround point
111Not used
11 2Not used
11 3Not used
11 4Not used
11 5Not used
11 6Not used
11 7Not used