Engines / Petrol / MED 17.5.21 UDS general / Test: ignition coil (N70; N71; N72; N73; N292)
| Mark | Model | Control unit | Diagnostic operation |
|---|
Mark
Model
Control unit 

Diagnostic operation 

Diagnostic procedure
This operation was considered useful 1x.
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Conditions:
• ignition = OFF
• on-board voltage > XX
• engine speed = X rpm
disconnect from power supply part: ignition coil
measure resistance between terminals:
X (connector - component side)
X (connector - component side)
required value = XXX - XXX Ohm
Conditions:
- ignition = ON
measure voltage between terminals:
X (connector - control unit side)
ground
required value = > XXV
measure voltage between terminals:
X (connector - control unit side)
X (connector - control unit side)
required value = > XXV
measure voltage between terminals:
X (connector - control unit side)
X (connector - control unit side)
required value = > XXV
upon non--achievement of condition - check component:
- wiring: engine control unit -> ignition coil
- engine control unit
• ignition = OFF
• on-board voltage > XX
• engine speed = X rpm
disconnect from power supply part: ignition coil
measure resistance between terminals:
X (connector - component side)
X (connector - component side)
required value = XXX - XXX Ohm
Conditions:
- ignition = ON
measure voltage between terminals:
X (connector - control unit side)
ground
required value = > XXV
measure voltage between terminals:
X (connector - control unit side)
X (connector - control unit side)
required value = > XXV
measure voltage between terminals:
X (connector - control unit side)
X (connector - control unit side)
required value = > XXV
upon non--achievement of condition - check component:
- wiring: engine control unit -> ignition coil
- engine control unit
You are not logged! System works in DEMO mode only now where numbers are replaced with X characters. For 49 EUR only You will get access into full system. You can pay by credit card or bank transfer. Click BUY button for purchase and You will get login to diagnostic procedures database imediatelly.
Diagnostic procedures for a VAG diagnostics
Database for coding vehicle control units Volkswagen - VAG
Software versions
VIN - Code validator

