Suzuki 2000 Grand Vitara SQ625 Service Manual page 623

1. Reference voltage terminal
2. Output voltage terminal
3. Ground terminal
ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE) 6E2-35
THROTTLE POSITION SENSOR (TP SENSOR)
Inspection
1) Warm up engine and stop it when its temperature has reached
normal operating temperature (Check to make sure that they
have some clearance between fast idle cam and cam follow le-
ver.).
2) Disconnect negative cable at battery and coupler from TP sen-
sor.
3) Using ohmmeter, check resistance between terminals under
each condition given in table below.
TERMINALS
Between 1 and
3 terminals
Between 2 and
3 terminals
If check result is not satisfactory, replace TP sensor.
4) Connect TP sensor coupler securely.
5) Connect negative cable to battery.
Removal
1) Disconnect battery negative cable at battery.
2) Disconnect connector from TP sensor.
3) Remove TP sensor from throttle body.
Installation
1) To install sensor, place it onto throttle body so that sensor pickup
lever (2) can engage with throttle body lever (1). A should en-
gage with B.
2) Hand-tighten TP sensor screws.
3) Connect connector to TP sensor securely.
4) Connect battery negative cable to battery.
5) Adjust installation angle of TP sensor according to procedure
described in item "Adjustment".
RESISTANCE
4 – 6 kW
0 – 4.6 kW, varying linearly
according to throttle valve opening