Toyota Tundra (2015 year). Manual — part 2093
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
A10-1 (B) - Body ground
Light control switch TAIL
11 to 14 V
Light control switch except TAIL
Below 1 V
(b) for RH:
(1) Disconnect the A11 headlight connector.
(2) Measure the voltage according to the value(s) in the table below.
Standard voltage:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
A11-1 (B) - Body ground
Light control switch TAIL
11 to 14 V
Light control switch except TAIL
Below 1 V
NG
GO TO STEP 5
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR
(HEADLIGHT - BODY GROUND)
5.
INSPECT DAYTIME RUNNING LIGHT RELAY (LED DRL)
(a) Remove the daytime running light relay from the engine room
relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
LIGHTING: LIGHTING SYSTEM: DRL Relay Circuit; 2015 MY Tundr...
OK
OK
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
3 - 5
When battery voltage is applied to terminals 1 and 2
Below 1 Ω
3 - 5
When battery voltage is not applied to terminals 1 and 2
10 kΩ or higher
NG
REPLACE DAYTIME RUNNING LIGHT RELAY (LED
DRL)
6.
CHECK HARNESS AND CONNECTOR (DAYTIME RUNNING LIGHT RELAY [LED DRL] -
BATTERY)
(a) Remove the daytime running light relay from the engine room
relay block.
(b) Measure the voltage according to the value(s) in the table
below.
Standard voltage:
TESTER CONNECTION
CONDITION
SPECIFIED
CONDITION
Daytime running light relay terminal
1 - Body ground
Always
11 to 14 V
Daytime running light relay terminal
3 - Body ground
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
7.
CHECK HARNESS AND CONNECTOR (DAYTIME RUNNING LIGHT RELAY [LED DRL] -
HEADLIGHT)
LIGHTING: LIGHTING SYSTEM: DRL Relay Circuit; 2015 MY Tundr...
OK
*1: for LH
*2: for RH
(a) Remove the daytime running light relay from the engine room relay block.
(b) Disconnect the A10*1 and A11*2 headlight connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
Daytime running light relay terminal 5 - A10-1 (B)*1
Always
Below 1 Ω
Daytime running light relay terminal 5 - Body ground*1
Always
10 kΩ or higher
Daytime running light relay terminal 5 - A11-1 (B)*2
Always
Below 1 Ω
Daytime running light relay terminal 5 - Body ground*2
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
8.
CHECK HARNESS AND CONNECTOR (DAYTIME RUNNING LIGHT RELAY [LED DRL] -
MAIN BODY ECU)
LIGHTING: LIGHTING SYSTEM: DRL Relay Circuit; 2015 MY Tundr...
(a) Remove the daytime running light relay from the engine room relay block.
(b) Disconnect the J3 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
Daytime running light relay terminal 2 - J3-8 (DRL)
Always
Below 1 Ω
J3-8 (DRL) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE MAIN BODY ECU
LIGHTING: LIGHTING SYSTEM: DRL Relay Circuit; 2015 MY Tundr...
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