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Home >> Volkswagen >> 2005 >> New Beetle Convertible (1Y1) L4-2.0L (BEV) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Solenoid Valves In Valve Body, Checking

Solenoid Valves In Valve Body, Checking




Solenoid valves in valve body, checking

Recommended special tools and equipment
- V.A.G 1526 multimeter or V.A.G 1715 multimeter
- V.A.G 1594 connector test kit
- Wiring diagram

Requirements
- Respective fuses must be OK:
- Selector lever must be in -P- position.
- All electrical consumers such as, lights and rear window defroster must be switched off.
- Parking brake must be engaged.
- Ground (GND) connections to transmission must be OK.
- Ignition switched off.

Work sequence (vehicles with 01M transmission
- Disconnect 12-pin harness connector at transmission.
- Observe safety precautions.
- Check harness connector for contact corrosion and ingress of water.

If harness connector is not OK:
- Repair malfunction.
- Erase DTC memory of Transmission Control Module (TCM), Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code.

- If harness connector is OK:
- Check resistance of solenoid valves.

Checking resistance of solenoid valves
- Re-connect 12-pin connector.
- Connect test box to control module wiring harness, connect test box for wiring test.
- Measure resistance of solenoid valves at test box between sockets:

Component Sockets Specified value
Solenoid valve 1 -N88- 55 + 67 55.0 to 65.0 ohms
Solenoid valve 2 -N89- 54 + 67 55.0 to 65.0 ohms
Solenoid valve 3 -N90- 9 + 67 55.0 to 65.0 ohms
Solenoid valve 4 -N91- 47 + 67 4.5 to 6.5 ohms
Solenoid valve 5 -N92- 56 + 67 55.0 to 65.0 ohms
Solenoid valve 6 -N93- 22 + 58 4.5 to 6.5 ohms
Solenoid valve 7 -N94- 10 + 67 55.0 to 65.0 ohms

Note: Resistance value is valid at approx. 20° C. At higher temperatures, resistance value increases.

If one of the specified values is not obtained:
- Check wires to Transmission Control Module (TCM) according to wiring diagram.

Checking wires to Transmission Control Module (TCM)





- Disconnect 12-pin harness connector at transmission.
- Check wires between test box and 12-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
- Wire resistance: max. 1.5 ohms

Component Connector Test box
Solenoid valve 1 -N88- Terminal 1 Socket 67
Terminal 3 Socket 55
Solenoid valve 2 -N89- Terminal 1 Socket 67
Terminal 4 Socket 54
Solenoid valve 3 -N90- Terminal 1 Socket 67
Terminal 5 Socket 9
Solenoid valve 4 -N91- Terminal 1 Socket 67
Terminal 6 Socket 47
Solenoid valve 5 -N92- Terminal 1 Socket 67
Terminal 7 Socket 56
Solenoid valve 6 -N93- Terminal 2 Socket 22
Terminal 8 Socket 58
Solenoid valve 7 -N94- Terminal 1 Socket 67
Terminal 10 Socket 10

- Check wires for short circuit to each other.
- Specified value: infinite ohms

If no malfunctions are found in wires:
- Replace circuit board or valve body:
- Erase DTC memory of Transmission Control Module (TCM), Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code.

Work sequence (vehicles with 09G transmission)





- Disconnect 14-pin harness connector -A-.
- Observe safety precautions.
- Check harness connector for contact corrosion and ingress of water.

If harness connector is not OK:
- Repair malfunction.
- Erase DTC memory of Transmission Control Module (TCM), Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code.

If harness connector is OK:
- Check resistance of solenoid valves.

Checking resistance of solenoid valves





- Check resistances of solenoid valves at connector to solenoid valves:

Component Connector Specified value (ohms)
Terminal
Solenoid valve 1 -N88- 1+Ground (GND) 10.0 to 16.0
transmission
Solenoid valve 2 -N89- 2+Ground (GND) 10.0 to 16.0
transmission
Solenoid valve 3 -N90- 7 + 8 4.0 to 8.0
Solenoid valve 4 -N91- 11 + 12 4.0 to 8.0
Solenoid valve 5 -N92- 3 + 4 4.0 to 8.0
Solenoid valve 6 -N93- 13 + 14 4.0 to 8.0
Solenoid valve 9 -N282- 5 + 6 4.0 to 8.0
Solenoid valve 10 -N283- 9 + 10 4.0 to 8.0

Note: Resistance value is valid at approx. 20°C. At higher temperatures, resistance value increases.

If one of the specified values is not obtained:
- Replace respective solenoid valve.
- Erase DTC memory of Transmission Control Module (TCM), Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code.

If specified values are obtained:
- Check wires to Transmission Control Module (TCM) according to wiring diagram.

Checking wires to Transmission Control Module (TCM)
- Connect test box to control module wiring harness, connect test box for wiring test.
- Check wires between test box and 14-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
- Wire resistance: max. 1.5 ohms

Component Connector Test box
Solenoid valve 1 -N88- Terminal 1 Socket 41
Solenoid valve 2 -N89- Terminal 2 Socket 15
Solenoid valve 3 -N90- Terminal 7 Socket 30
Terminal 8 Socket 18
Solenoid valve 4 -N91- Terminal 11 Socket 5
Terminal 12 Socket 43
Solenoid valve 5 -N92- Terminal 3 Socket 42
Terminal 4 Socket 6
Solenoid valve 6 -N93- Terminal 13 Socket 31
Terminal 14 Socket 17
Solenoid valve 9 -N282- Terminal 5 Socket 16
Terminal 6 Socket 32
Solenoid valve 10 -N283- Terminal 9 Socket 4
Terminal 10 Socket 44

- Check wires for short circuit to each other.
- Specified value: infinite ohms

If no malfunctions are found in wires:
- Replace Transmission Control Module (TCM) -J217-.
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