Toyota Tundra Service Manual: Daytime Running Light Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT NO. 1 DAY TIME RUNNING LIGHT RELAY

(a) Remove the No. 1 day time running light relay from the engine room relay box.

(b) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3 - 5	Battery voltage not applied to terminals 1 and 2	10 kΩ or higher
3 - 5	Battery voltage applied to terminals 1 and 2	Below 1 Ω

If the result is not as specified, replace the No. 1 day time running light relay.

Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Ambient Temperature Sensor Circuit (B1412/12)
DESCRIPTION The ambient temperature sensor is installed in front of the condenser to detect the ambient temperature which is used to control the air conditioner "AUTO" mode. This sensor is connected to the air conditioning amplifier and detects fluctuations in the ambient temperature. This ...

Toyota Tundra Owners Manual