Jetta Sedan L4-1.9L DSL Turbo (BEW) (2005)
-
80 degrees C is in range B and corresponds to a resistance of 275 to 375 Ohms
If specified value is not obtained:
-
Replace Intake Air Temperature (IAT) Sensor -G42-.
-
Erase DTC memory of control module for Diesel-Direct fuel injection system, Diagnostic mode 4: Reset/erase diagnostic data. See: Computers
and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase
Diagnostic Data
-
Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If specified value is obtained:
-
Connect test box to control module wiring harness, connect test box for wiring test. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test
-
Connect adapter cable (V.A.G 1598/39-2) to test box (V.A.G 1598/42).
-
Check wires between test box and 4-pin connector for open circuit according to wiring diagram.
Terminal 1 + socket 76
Terminal 2 + socket 38
Wire resistance: max. 1.5 Ohms
-
Check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: Infinite Ohms
If no malfunctions are detected in the wires and the resistance values are OK:
-
Replace Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-.
-
Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes