TG. LH#8/EZ#7 (LH 3.1)
LH#8/EZ#7 Idle contact signal absent
DTC Conditions:
The DTC is set if the voltage exceeds 1.2 Vat LH#1O and LH#8 simultaneously when entering Running Test.
Causes of fault:
Break in TP switch ground connection.
Break in TP switch.
Fault symptoms:
Idling problems.
Fuel does not shut off when braking engine.
NOTE: When checking wiring, disconnect System Tester before taking readings.
TG1
Monitor Test
-Start engine, but do not touch gas pedal.
-Check that System Tester reads IDLE in Monitor Test.
If it reads IDLE:
Intermittent fault
-Check TP switch ground point for loose contacts.
If it does not read IDLE:
-Check ground point TG2.
TG2
Checking Ground Point
-Ignition off
-Disconnect TP switch.
Connect an ohmmeter between terminal 1 and GND.
Ohmmeter reading should be around 0 2.
If value Is OK:
-Try a new TP switch.
If value Is Incorrect:
-Check ground point and wire for breaks as in NA2. Checking the Wiring