QX4 V6-3275cc 3.3L SOHC MFI (VG33E) (1998)
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IMPORTANT:
This adjustment procedure must be made with the TPS installed on the engine of the vehicle. Incorrect adjustment of this sensor may cause one or
more of the following DTC's to be displayed: P1447, P0120, P0510, P0731, P0732, P0733, P0734, P1705.
1.
Check fast idle cam (FIC) function, if equipped (refer to appropriate Service Manual). When done, make sure the engine is at normal operating
temperature and the fast idle cam (if equipped) has released. Then turn the engine off.
2.
Raise the throttle opener rod OFF of the throttle drum as follows (refer to Figure 5):
a.
Remove the vacuum hose connected to the throttle opener.
b.
Connect a suitable vacuum hose to a hand-operated vacuum pump and the opener.
c.
Apply vacuum of more than -11.81 inHg (-300 mmHg) until the throttle drum becomes free from the rod of the throttle opener.
3.
Disconnect the harness connector (see Figure 6) from the closed throttle position switch portion of the throttle position sensor (TPS).