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

CHASSIS ELECTRICAL ±
Normal characteristic curve
Voltage
A (Centre point)
approx. 6 V
Positive Printed
termi- heater line
nal
Abnormal characteristic curve
Voltage
Positive Printed
termi- heater line
nal
Defogger relay

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
Negative
element voltage with circuit tester at rear window glass
terminal
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.
Open-circuit Move test bar slowly to negative terminal to detect where
point
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.
Negative
terminal
REAR WINDOW DEFOGGER RELAY
CONTINUITY CHECK
Battery voltage
Power is not supplied
Power is supplied
Rear Window Defogger
y g Terminal No.
1
54A-65
2 3 5