Mitsubishi Pajero Pinin 1999 - On-Vehicle Service; Printed-Heater Line Check; Rear Window Defogger; Rear Window Defogger Relay Continuity

CHASSIS ELECTRICAL ± Rear Window Defogger
54A-65
REAR WINDOW DEFOGGER
ON-VEHICLE SERVICE
PRINTED-HEATER LINE CHECK
1. Run engine at 2,000 r/min. Check heater element with
battery at full.
2. Turn ON rear window defogger switch. Measure heater
element voltage with circuit tester at rear window glass
centre A.
Condition is good if it indicates about 6 V.
3. If 12 V is indicated at A, there is a break in the negative
terminals from A.
Move test bar slowly to negative terminal to detect where
voltage changes suddenly (0V).
4. If 0 V is indicated at A, there is a break in the positive
terminals from A. Defect where the voltage changes
suddenly (12 V) in the same method described above.
REAR WINDOW DEFOGGER RELAY
CONTINUITY CHECK
Battery voltage
Terminal No.
y g
1 2 3 5
Power is not supplied
Power is supplied
Normal characteristic curve
Voltage
A (Centre point)
approx. 6 V
Positive
termi-
nal
Printed
heater line
Negative
terminal
Abnormal characteristic curve
Voltage
Open-circuit
point
Positive
termi-
nal
Printed
heater line
Negative
terminal
Defogger relay