Tacoma

Toyota Tacoma 2015-2018 Air Conditioning Workshop Manual

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TESTER CONNECTION CONDITION SPECIFIED CONDITION
PTC HTR NO. 2-1 - Body ground Always 11 to 14 V
PTC HTR NO. 2-5 - Body ground Always 11 to 14 V
PTC HTR NO. 3
TESTER CONNECTION CONDITION SPECIFIED CONDITION
PTC HTR NO. 3-1 - Body ground Always 11 to 14 V
PTC HTR NO. 3-5 - Body ground Always 11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
4.
CHECK HARNESS AND CONNECTOR (PTC HTR RELAY - AIR CONDITIONING AMPLIFIER
ASSEMBLY)
(a) Remove the PTC HTR relays.
(b) Disconnect the A14 air conditioning amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
PTC HTR NO. 1
TESTER CONNECTION CONDITION SPECIFIED CONDITION
PTC HTR NO. 1-2 - A14-15 (PTC1) Always Below 1 Ω
PTC HTR NO. 1-2 or A14-15 (PTC1) - Body ground Always 10 kΩ or higher
PTC HTR NO. 2
TESTER CONNECTION CONDITION SPECIFIED CONDITION
PTC HTR NO. 2-2 - A14-14 (PTC2) Always Below 1 Ω
PTC HTR NO. 2-2 or A14-14 (PTC2) - Body ground Always 10 kΩ or higher
PTC HTR NO. 3
TESTER CONNECTION CONDITION SPECIFIED CONDITION
PTC HTR NO. 3-2 - A14-13 (PTC3) Always Below 1 Ω
PTC HTR NO. 3-2 or A14-13 (PTC3) - Body ground Always 10 kΩ or higher
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