Toyota Tundra Service Manual: Starter Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE STARTER RELAY (ST)

(a) Remove the engine room relay box cover.

(b) Remove the starter relay from the engine room relay block.

2. INSPECT STARTER RELAY

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

Standard Resistance:

Terminal Connection	Condition	Specified Condition
3 - 5	When battery voltage is not 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.

3. INSTALL STARTER RELAY

Toyota Tundra Service Manual > Audio And Visual System: HD Radio Tuner Malfunction (B1551,B15A0,B15B0,B15B3-B15B5,B15B7)
DESCRIPTION These DTCs are stored when a malfunction occurs in the radio and display receiver assembly. DTC Code DTC Detection Condition Trouble Area B1551 When one of the conditions below is met: "HD Radio" tuner decoder malfunction "HD Radio" tuner audio output section malfunction "HD Radio" tuner ...

Toyota Tundra Owners Manual