Toyota Tundra (2015 year). Manual — part 2266
OK
OK
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
Engine is running
Blower switch LO
A/C switch OFF
11 to 14 V
NG
REPLACE AIR CONDITIONING AMPLIFIER
7.
INSPECT AIR CONDITIONING COMPRESSOR (COMPRESSOR HARNESS)
(a) Disconnect the D60 air conditioning compressor connector.
(b) Disconnect the magnetic clutch connector.
(c) Measure the resistance according to the value(s) in the table
below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
3 (MG+) - 1
Always
Below 1 Ω
3 (MG+) or 1 - Body ground
Always
10 kΩ or higher
NG
REPAIR AIR CONDITIONING COMPRESSOR
8.
INSPECT MAGNETIC CLUTCH
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic A...
OK
(a) Measure the resistance according to the value(s) in the
table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
1 - Body ground
Always
3.4 to 3.8 Ω
(b) When connector terminal 1 is connected to the positive (+) battery terminal, check that the
following occurs: 1) the magnetic clutch's operating sound can be heard, and 2) the magnetic
clutch's hub and rotor lock.
NG
REPLACE MAGNETIC CLUTCH
9.
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING COMPRESSOR - ENGINE
ROOM RELAY BLOCK, JUNCTION BLOCK)
(a) Disconnect the D60 air conditioning compressor connector.
(b) Remove the magnetic clutch relay (MG CLT) from the engine room relay block, junction block.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic A...
TESTER CONNECTION
CONDITION
SPECIFIED
CONDITION
D60-3 (MG+) - Engine room relay block magnetic clutch relay terminal 3
Always
Below 1 Ω
D60-3 (MG+) or Engine room relay block magnetic clutch relay terminal 3 -
Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE AIR CONDITIONING AMPLIFIER
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic A...
OK
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000002VXL00WX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System): ECU Power
Source Circuit; 2015 MY Tundra [08/2014 - ]
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the air conditioning amplifier.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1.
INSPECT FUSE (A/C)
(a) Remove the A/C fuse from the main body ECU.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A/C fuse
Always
Below 1 Ω
NG
REPLACE FUSE
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic A...
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