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Home >> Mercedes Benz >> 1991 >> 190E 2.6, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test Step Charts >> Test Step Charts - 6-Cylinder
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Test Step Charts - 6-Cylinder

CONNECTOR ABBREVIATIONS DEFINITIONS - 6-CYL.

Connector Definition
A 1p8 Electronic Speedometer Connector
B 2 Airflow Sensor Position Indicator
B 11/2 Coolant Temperature Sensor
B 17/2 Air Temperature Sensor
G 3/2x1 O2 Sensor Heater Connector To MAS
G 3/2x2 O2 Sensor Connector to CIS-E
K 1/1 Overvoltage Protection Relay
N 1/2 Ignition Control Unit (EZL)
N 3 CIS-E Control Unit
N 16 Engine Systems Control Unit (MAS)
S 29/2 Throttle Valve Switch
S 29/2x1 Throttle Valve SwitchConnector
W 10 Ground Connection
W 11 Ground Connection
X 11 Diagnostic Socket
X 53/5 Hall Effect Sensor Connector
Y 1 Electrohydraulic Actuator (EHA)
Y 6 Idle Speed Air Valve
Y 8 Start Valve
Y 27 EGR Switchover Valve
Y 32 Air Injection Pump Switchover Valve
Y 33 Electromagnetic Air Injection Pump Clutch
Y 58/1 Purge Switchover Valve
50 Starter Circuit
Fig 1: 6 - CYLINDER TEST STEP CHARTS (1 of 9)
G90D17320
Fig 2: 6 - Cylinder Test Step Charts (2 of 9)
G90E17321Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: 6 - Cylinder Test Step Charts (3 of 9)
G90F17322Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: 6 - Cylinder Test Step Charts (4 of 9)
G90G17323Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 5: 6 - Cylinder Test Step Charts (5 of 9)
G90H17324Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 6: 6 - Cylinder Test Step Charts (6 of 9)
G90I17325Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 7: 6 - Cylinder Test Step Charts (7 of 9)
G90J17326Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 8: 6 - Cylinder Test Step Charts (8 of 9)
G90A17327Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 9: 6 - Cylinder Test Step Charts (9 of 9)
G90B17328Courtesy of MERCEDES-BENZ OF NORTH AMERICA.