5000S Wagon L5-2309cc 2.3L SOHC (NF) (1988)
Idle Speed: Testing and Inspection
Idle Stabilization Checking (CIS-E III)
check these first
-
engine oil temperature 80°C (176°F) minimum
-
throttle valve in idle position
-
throttle switch OK
-
thermoswitch and/or temperature sensor OK
-
all electrical consumers switched OFF
-
A/C switched OFF
-
pressure measuring equipment NOT connected
-
radiator fan must NOT be running during measurements
NOTE: If fuel injection lines were loosened or replaced, raise engine speed to 3,000 RPM several times, then let idle for at least 2 minutes before
performing checks
-
disconnect idle stabilizer valve harness connector and insert test adapter VW 1315A/2 between idle stabilizer valve and harness connector
-
switch multimeter US 1119 to mA range and connect to leads of test adapter VW 1315A/2
CAUTION: Always switch OFF the ignition while making or breaking electrical connections to the Idle Stabilization System.
-
connect engine tester VW 1367 according to manufacturer's instructions
CAUTION: Make sure that the VW 1367 Top Dead Center pickup is fully inserted into the transmission housing.
-
switch ignition ON
^
550 ± 25 mA
If 430 mA is measured
^
check for open circuit between control unit and terminal 1 of ignition coil according to wiring diagram