Check harness and connector between AC amplifier and HTR and HTR fuses See page IN

Prius Ptc Heater

PREPARATION:

Remove the heater radiator (See page AC-51). CHECK:

Check continuity between terminals of PTC heater connector, as shown in the chart.

Tester connection

Result

1 - 2

Continuity

3 - 4

Continuity

NG

Replace heater radiator.

Check harness and connector between PTC heater and HTR1, HT2 relays, PTC heater and body ground (See page IN-41).

PTC Heater Circuit (Heater Radiator)

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