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 > Sfi System: Evaporative Emission Control System Pressure Sensor Range / Performance (P0451-P0453)
DTC SUMMARY DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic P0451 Canister pressure sensor noise Sensor output voltage fluctuates frequently within certain time period. Canister pump module Connector/wire harness (Canister pump module - ECM) EVAP ...

Toyota Tundra Owners Manual