Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT THROTTLE BODY ASSEMBLY

(a) Check the throttle valve.

(1) Check that the throttle valve opens and closes smoothly.

(2) Check that there is no sludge accumulating around the throttle body.

(b) Check the throttle control motor.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 (M-) - 2 (M+)	20°C (68°F)	0.3 to 100 Ω

If the result is not as specified, replace the throttle body assembly.

Toyota Tundra Service Manual > Front Power Seat Control System(w/ Memory): Short in Sensor with Motor Power Supply Circuit (B2658)
DESCRIPTION This DTC is stored when a power seat motor operates (a position control sensor is being supplied with power) and the power supply voltage does not rise to the specified value. DTC Code DTC Detection Condition Trouble Area B2658 A problem with the voltage supplied to the position control ...

Toyota Tundra Owners Manual