volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 1808 > < With Manufacturer's Scan Tool|Page 1806
Page 1
background image

Camshaft Position Sensor: Testing and Inspection
With Generic Scan Tool

Camshaft Position Sensors, Checking

The following procedure is used to diagnose both Camshaft Position (CMP) Sensor G40 and Camshaft Position (CMP) Sensor 2 G163

Note:

Use only gold-plated terminals when servicing terminals in harness connectors of Camshaft Position (CMP) Sensor G40 and Camshaft
Position (CMP) Sensor 2 G163.

Special tools, testers and auxiliary items required

-

Multimeter.

-

Wiring diagram.

Test requirements

-

The Engine Control Module (ECM) J220 fuses OK.

-

Battery voltage at least 12.5 volts.

-

All electrical consumers such as, lights and rear window defroster, switched off.

-

Vehicles with automatic transmission, shift selector lever into position "P" or "N" .

-

A/C switched off.

-

Ground (GND) connections between engine/transmission/chassis OK.

-

Ignition switched off.

Test procedure

-

Perform a preliminary check to verify the customers complaint.

Start diagnosis

-

Disconnect the Camshaft Position (CMP) Sensor G40 electrical harness connector -A arrow- or Camshaft Position (CMP) Sensor 2 G163 -B
arrow-

-

Switch the ignition on.

With Manufacturer's Scan Tool|Page 1808 > < With Manufacturer's Scan Tool|Page 1806