Toyota Tundra (2015 year). Manual — part 2288
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)
(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 Manual Air...
TESTER CONNECTION
CONDITION
SPECIFIED
CONDITION
D60-3 (MG+) - Engine room relay block, junction block magnetic clutch relay
terminal 3
Always
Below 1 Ω
D60-3 (MG+) or Engine room relay block, junction 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 Manual Air...
OK
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000002VXM00VX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air Conditioning System): IG Power Source
Circuit; 2015 MY Tundra [08/2014 - ]
IG Power Source Circuit
DESCRIPTION
When the ignition switch is turned ON, positive (+) battery voltage is applied to the air conditioning amplifier.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1.
INSPECT FUSE (ECU-IG1 No.4)
(a) Remove the ECU-IG1 No.4 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
ECU-IG1 No.4 fuse
Always
Below 1 Ω
NG
REPLACE FUSE
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air...
2.
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - BATTERY
AND BODY GROUND)
(a) Disconnect the J19 air conditioning amplifier connector.
(b) Measure the resistance and voltage according to the
value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J19-14 (GND) - Body ground
Always
Below 1 Ω
Standard voltage:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
J19-1 (IG+) - Body
ground
Ignition switch ON
11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN
IN PROBLEM SYMPTOMS TABLE
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air...
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