Toyota Tundra (2015 year). Manual — part 2281
A
PROCEDURE
1.
READ VALUE USING TECHSTREAM (AIR OUTLET SERVO MOTOR TARGET PULSE)
(a) Use the Data List to check if the servo motor is functioning properly.
Air Conditioner
TESTER DISPLAY
MEASUREMENT ITEM / RANGE
NORMAL
CONDITION
DIAGNOSTIC
NOTE
Air Outlet Servo
Pulse (D)
No. 1 damper servo sub-assembly (air outlet servo
motor) target pulse /
Min.: 0, Max.: 255
FACE: 9 (pulse)
MID: 25 (pulse)
B/L: 32 (pulse)
MID: 39 (pulse)
FOOT: 56 (pulse)
MID: 77 (pulse)
FOOT/DEF: 83
(pulse)
MID: 91 (pulse)
DEF: 97 (pulse)
-
OK:
The display is as specified in the normal condition.
Result
RESULT
PROCEED TO
OK (Checking from the DTC)
A
OK (Checking from the PROBLEM SYMPTOMS TABLE)
B
NG
C
B
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN
PROBLEM SYMPTOMS TABLE
C
REPLACE AIR CONDITIONING AMPLIFIER
2.
REPLACE NO. 1 DAMPER SERVO SUB-ASSEMBLY (AIR OUTLET SERVO MOTOR)
(a) Temporarily replace the No. 1 damper servo sub-assembly (air outlet servo motor) with a new one
.
HINT:
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air...
NEXT
NEXT
Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor
with a new one and check that the condition returns to normal.
3.
CHECK FOR DTC
(a) Clear the DTC
.
(b) Check for DTC
.
OK:
DTC is not output.
NG
GO TO STEP 4
OK
END (NO. 1 DAMPER SERVO SUB-ASSEMBLY [AIR
OUTLET SERVO MOTOR] IS DEFECTIVE)
4.
REPLACE AIR CONDITIONING HARNESS
(a) Replace the air conditioning harness.
5.
CHECK FOR DTC
(a) Clear the DTC
.
(b) Check for DTC again
.
OK:
DTC is not output.
NG
REPLACE AIR CONDITIONING AMPLIFIER
OK
END (AIR CONDITIONING HARNESS IS
DEFECTIVE)
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000002VXO00SX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air Conditioning System): B1499/99;
Multiplex Communication Circuit; 2015 MY Tundra [08/2014 - ]
DTC
B1499/99 Multiplex Communication Circuit
DESCRIPTION
This DTC outputs when CAN communication error is occurred.
DTC CODE
DTC DETECTION CONDITION
TROUBLE AREA
B1499/99
Open in CAN communication circuit
CAN communication system
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK FOR DTC
(a) Clear the DTC
.
(b) Check for DTC
.
Result
RESULT
PROCEED TO
DTC B1499/99 is output
A
DTC B1499/99 is not output
B
B
USE SIMULATION METHOD TO CHECK
A
GO TO CAN COMMUNICATION SYSTEM
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000002VXO00SX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air Conditioning System): B1499/99;
Multiplex Communication Circuit; 2015 MY Tundra [08/2014 - ]
DTC
B1499/99 Multiplex Communication Circuit
DESCRIPTION
This DTC outputs when CAN communication error is occurred.
DTC CODE
DTC DETECTION CONDITION
TROUBLE AREA
B1499/99
Open in CAN communication circuit
CAN communication system
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK FOR DTC
(a) Clear the DTC
.
(b) Check for DTC
.
Result
RESULT
PROCEED TO
DTC B1499/99 is output
A
DTC B1499/99 is not output
B
B
USE SIMULATION METHOD TO CHECK
A
GO TO CAN COMMUNICATION SYSTEM
AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air...
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