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PULSE
9V BATTERY TEST: 1) SET RANGE TO HIGH.
2) SET FUNCTION TO OHMS. 3) DISCONNECT ALL LEADS.
O.K. IF TOPMOST TEST LIGHT IS ON. WEAK IF ANOTHER LIGHT IS ON.
RANGE
FUNCTION
IGNITION MODULE &
ENGINE SENSOR TESTER
IGNITION MODULE &
ENGINE SENSOR TESTER
TEST
RICH
LEAN
Select
LOW,
VOLTS
HIGH
LOW
POWER OFF
VOLTS
OHMS
FREQUENCY
SIGNAL COMMON TRIGGER POWER 9V
Tester Basics
1-3
Allows test lead to probe sensor circuits when the sensor is
connected to vehicle wiring harness.
• Slide the “scooped” end of adapter next to circuit wire
entering rear of connector.
• Continue pushing adapter until it touches terminal inside
connector. (Slightly twisting adapter while pushing may
ease entry)
• Grasp open end of adapter with test lead clip. Keep
pushing on adapter to maintain circuit contact.
Caution: The “scooped” end of the
adapter will break if you bend it.
7
Backprobe
Adapter
2
3
4
1
6
9
8
7
5
To Sensor
To Computer