Mitsubishi Pajero Pinin 1999 Workshop Manual page 162

13A-90
Special
patterns
pickup
Standard Wave Pattern
Observation conditions
Function
Pattern height
Pattern selector
Engine condition
Standard wave pattern
(V)
The wave pattern
appears for an
instant, but soon
30
disappears.
20
10
EGR
valve
control
signal
wave
pattern
GDI ±
EGR VALVE (STEPPER MOTOR)
Analyzer
Measurement Method
1. Disconnect the EGR valve connector, and connect the
2. Connect the analyzer special patterns pickup to the EGR
Alternate Method (Test harness not available)
1. Connect the analyzer special patterns pickup to
Special patterns
High
Display
Racing
Point B
Coil reverse electromo-
tive force (Approx. 3
10V)
Troubleshooting
special tool (test harness: MB991658) in between.
valve-side connector terminal 1, terminal 3, terminal 4
and terminal 6 respectively.
engine-ECU terminal
connection terminal 6, and connection terminal 5
respectively.
Point A
Induced electromotive force
×
from the motor turning
34, connection terminal
Time
32,