Toyota Tundra (2015 year). Manual — part 2267
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
CONDITION
SPECIFIED CONDITION
J19-21 (B) - Body ground
Always
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 Automatic A...
OK
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000002VXM00WX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic 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 Automatic A...
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 Automatic A...
Last Modified: 9-16-2014
6.6 L
Doc ID: RM000002VWZ00RX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air Conditioning System): PRECAUTION;
2015 MY Tundra [08/2014 - ]
PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream with the ignition switch OFF to troubleshoot the CAN or LIN communication
line:
Connect the Techstream to the vehicle, and turn a courtesy light switch on and off at 1.5 second intervals
until communication between the Techstream and vehicle begins.
(b) After all DTCs are cleared, check if the trouble occurs again 6 seconds after the ignition switch is turned ON.
2. IF ANY OF FOLLOWING CONDITIONS ARE MET, KEEP ENGINE IDLING WITH A/C ON
(ENGINE SPEED AT LESS THAN 2000 RPM) FOR AT LEAST 1 MINUTE:
Refrigerant gas has been refilled or A/C parts have been replaced.
A long time has elapsed since the engine was stopped.
NOTICE:
If the engine speed exceeds 2000 rpm, the A/C compressor may be damaged.
3. DO NOT HANDLE REFRIGERANT IN ENCLOSED AREAS OR NEAR OPEN FLAMES
4. ALWAYS WEAR EYE PROTECTION
5. BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN
If liquid refrigerant gets in your eyes or on your skin:
Do not rub your eyes or skin.
(b) Apply clean petroleum jelly to the skin.
(c) Go immediately to a physician or hospital for professional treatment.
6. NEVER HEAT CONTAINER OR EXPOSE IT TO OPEN FLAME
7. BE CAREFUL NOT TO DROP CONTAINER OR SUBJECT IT TO PHYSICAL SHOCKS
8. DO NOT OPERATE COMPRESSOR WITH INSUFFICIENT REFRIGERANT IN REFRIGERANT
SYSTEM
If there is not enough refrigerant in the refrigerant system, oil lubrication will be insufficient and compressor
burnout may occur. Necessary care should be taken to avoid this.
9. DO NOT OPEN HIGH PRESSURE MANIFOLD VALVE WHILE COMPRESSOR IS OPERATING
Open and close only the low pressure valve. Opening and closing the high pressure valve could cause the charging
cylinder to rupture.
10. BE CAREFUL NOT TO OVERCHARGE SYSTEM WITH REFRIGERANT
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air...
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