Toyota Tundra Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK HEATED OXYGEN SENSOR

(a) Disconnect the heated oxygen sensor connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (HT1B) - 2 (+B)

(for Bank 1)

20°C (68°F)

11 to 16 Ω

1 (HT2B) - 2 (+B)

(for Bank 2)

If the result is not as specified, replace the heated oxygen sensor.

Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION Based on dynamic radar cruise control system operation, the forward recognition camera provides warnings to the driver by sounding the skid control buzzer assembly. DTC C1A4A is stored when a malfunction is detected in the skid control buzzer assembly circuit. DTC No. Detection Item DTC ...

Toyota Tundra Owners Manual