Toyota Tundra Service Manual: Stop Light Control Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK STOP LIGHT CONTROL RELAY

(a) Remove the stop light control relays (BRK NO. 1) from the engine room relay block.

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

Standard resistance:

for BRK NO. 1

Tester Connection	Condition	Specified Condition
3 - 4	When battery voltage is not applied to terminals 1 and 2	10 kΩ or higher
3 - 5	When battery voltage is not applied to terminals 1 and 2	Below 1 Ω
3 - 4	When battery voltage is applied to terminals 1 and 2	10 kΩ or higher
3 - 5	When battery voltage is applied to terminals 1 and 2	Below 1 Ω

If the result is not as specified, replace the relay.

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Unmatched Key Code (B2795)
DESCRIPTION This DTC is stored when a key with a different vehicle serial number is inserted into the ignition key cylinder. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2795 Unmatched Key Code A key with a different vehicle serial number is inserted into the ignition key cylind ...

Toyota Tundra Owners Manual