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Diagnostic Trouble Codes with Test Charts: Overview BMW 3 series E46

Testing & Diagnostics 4 illustrations ~139 words

CONNECTOR IDENTIFICATION

Control module uses a combination of a 9-pin, 24-pin, 40-pin and 52-pin connector. For control module connector identification (Scheme 9)- (Scheme 12).

Control Module Connector Terminal Identification (9-Pin Connector). Scheme 9

Scheme 9: Control Module Connector Terminal Identification (9-Pin Connector)

Control Module Connector Terminal Identification (24-Pin Connector). Scheme 10

Scheme 10: Control Module Connector Terminal Identification (24-Pin Connector)

Control Module Connector Terminal Identification (40-Pin Connector). Scheme 11

Scheme 11: Control Module Connector Terminal Identification (40-Pin Connector)

Control Module Connector Terminal Identification (52-Pin Connector). Scheme 12

Scheme 12: Control Module Connector Terminal Identification (52-Pin Connector)

TEST GROUP IDENTIFICATION

BMW supplies test group information in the following 6 categories

  1. «CATALYST MONITORING»(ref-140908-S10316858442003101400000)
  2. «MISFIRE MONITORING»(ref-140908-S16769470692003101400000)
  3. «EVAPORATIVE SYSTEM MONITORING»(ref-140908-S29250929402003101400000)
  4. «SECONDARY AIR SYSTEM MONITORING»(ref-140908-S34852006612003101400000)
  5. «FUEL SYSTEM MONITORING»(ref-140908-S12068707212003101400000)
  6. «OXYGEN SENSOR MONITORING»(ref-140908-S15921450462003101400000)

Specific engine family test group identification number (

for example: WBMXV02.8M52

) can be found on emission label in engine compartment. To cross reference test group category (catalyst monitoring, misfire monitoring, etc.) see

BMW TEST GROUP IDENTIFICATION

table.

Engine Family Test Group (1)Engine TypeModels
Catalyst Monitoring
WBMXV01.9M441.9L 4-Cyl., (M44)Z3, 318ti, & 318i
WBMXV02.8M522.8L (M52) & 3.2L (S52) 6-Cyl.M Coupe, M Roadster, M3, 328i, 328is & 528i
WBMXV02.8Z352.5L (M52) 6-Cyl.Z3 & 323is
WBMXV04.4M624.4L (M62) V8540i, 740i & 740iL
WBMXV05.4M735.4L (M62) V12750iL
Misfire Monitoring
WBMXV01.9M441.9L 4-Cyl., (M44)Z3, 318ti, & 318i
WBMXV02.8M522.8L (M52) & 3.2L (S52) 6-Cyl.M Coupe, M Roadster, M3, 328i, 328is & 528i
WBMXV02.8Z352.5L (M52) 6-Cyl.Z3 & 323is
WBMXV04.4M624.4L (M62) V8540i, 740i, & 740iL
WBMXV05.4M735.4L (M73) V12750iL
Evaporative System Monitoring
WBMXV01.9M441.9L 4-Cyl., (M44)Z3, 318ti, & 318i
WBMXV02.8M522.8L (M52) & 3.2L (S52) 6-Cyl.M Coupe, M Roadster, M3, 328i, 328is & 528i
WBMXV02.8Z352.5L (M52) 6-Cyl.Z3 & 323is
WBMXV04.4M624.4L (M62) V8540i, 740i & 740iL
WBMXV05.4M735.4L (M73) V12750iL
Secondary Air System Monitoring
WBMXV01.9M441.9L 4-Cyl., (M44)Z3, 318ti, & 318i
WBMXV02.8M522.8L (M52) & 3.2L (S52) 6-Cyl.M Coupe, M Roadster, M3, 328i, 328is & 528i
WBMXV02.8Z352.5L (M52) 6-Cyl.Z3 & 323is
Fuel System Monitoring
WBMXV01.9M441.9L 4-Cyl., (M44)Z3, 318ti, & 318i
WBMXV02.8M522.8L (M52) & 3.2L (S52) 6-Cyl.M Coupe, M Roadster, M3, 328i, 328is & 528i
WBMXV02.8Z352.5L (M52) 6-Cyl.Z3 & 323is
WBMXV04.4M624.4L (M62) V8540i, 740i & 740iL
WBMXV05.4M735.4L (M73) V12750iL
Oxygen Sensor Monitoring
WBMXV01.9M441.9L 4-Cyl., (M44)Z3, 318ti, & 318i
WBMXV02.8M522.8L (M52) & 3.2L (S52) 6-Cyl.M Coupe, M Roadster, M3, 328i, 328is & 528i
WBMXV02.8Z352.5L (M52) 6-Cyl.Z3 & 323is
WBMXV04.4M624.4L (M62) V8540i, 740i & 740iL
WBMXV05.4M735.4L (M73) V12750iL
(1) Test group reference identification can be found on under-hood emission label. LEV stands for Low Emission Vehicle. ULEV stands for Ultra Low Emission Vehicle. TLEV stands for Transitional Low Emission Vehicle.
(1)Test group reference identification can be found on under-hood emission label. LEV stands for Low Emission Vehicle. ULEV stands for Ultra Low Emission Vehicle. TLEV stands for Transitional Low Emission Vehicle.

BMW TEST GROUP IDENTIFICATION