S 320 LWB (140.033) L6-3.2L (104.994) (1995)
CC = Cruise Control
ISC = Idle Speed Control
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Fault path tests
Under specified operating conditions certain control paths are checked e.g. for short circuit, open circuit, implausible signals and illogical
combinations.
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Logic chains
The diagnostic module triggers test cycles for:
- air injection,
- exhaust gas recirculation,
- camshaft timing adjuster,
- charcoal canister purging,
- transmission upshift delay.
Model Coding
The diagnostic module (OBD II) is supplied in one version. Model and engine adaptation takes place via the ground connection on pins 7, 8 and 10.
Diagnostic Trouble Code (DTC) Readout
The diagnostic module (OBD II) (N59/1) uses two different plug connectors for the diagnostic trouble code (DTC) readout. The DTC's can be read
selectively as follows:
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Readout with Hand-Held Tester (HHT) via data link connector (DTC readout) (X11/4) (readout with Impulse counter scan tool is no longer
possible).
X11/22 - Model 129