Toyota Tundra (2015 year). Manual — part 2352
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INSPECTION PROCEDURE
PROCEDURE
1.
CLEAR DTC
(a) Clear the DTC
.
2.
CHECK FOR DTC
(a) Check for DTC
.
OK:
DTC B1242 is not output.
NG
GO TO STEP 3
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: B1242;...
OK
OK
USE SIMULATION METHOD TO CHECK
3.
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL RECEIVER)
(a) Disconnect the J3 ECU connector.
(b) Disconnect the Q7 receiver connector.
(c) Measure the resistance according to the value(s) in the table
below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED
CONDITION
J3-12 (RDA) - Q7-2 (RDA)
Always
Below 1 Ω
J3-10 (PRG) - Q7-3 (PRG)
J3-12 (RDA) or Q7-2 (RDA) - Body
ground
Always
10 kΩ or higher
J3-10 (PRG) or Q7-3 (PRG) - Body
ground
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
4.
CHECK HARNESS AND CONNECTOR (DOOR CONTROL RECEIVER - BATTERY AND
BODY GROUND)
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: B1242;...
OK
NEXT
NEXT
(a) Disconnect the Q7 receiver connector.
(b) Measure the resistance and voltage according to the
value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
Q7-1 (GND) - Body ground
Always
Below 1 Ω
Standard voltage:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
Q7-5 (+B) - Body ground
Always
11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
5.
REPLACE DOOR CONTROL RECEIVER
(a) Temporarily replace the door control receiver with a new one.
(1) For Regular Cab, refer to the following procedures
.
(2) For Double Cab, refer to the following procedures
.
(3) For CrewMax, refer to the following procedures
.
(b) Perform the REGISTRATION procedures
.
6.
CLEAR DTC
(a) Clear the DTC
.
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: B1242;...
7.
CHECK FOR DTC
(a) Check for DTC
.
OK:
DTC B1242 is not output.
NG
REPLACE MAIN BODY ECU (DRIVER SIDE
JUNCTION BLOCK)
OK
END (DOOR CONTROL RECEIVER IS DEFECTIVE)
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: B1242;...
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