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 > Air Conditioning System(for Automatic Air Conditioning System): Multiplex Communication Circuit (B1499/99)
DESCRIPTION This DTC outputs when CAN communication error is occurred. DTC Code DTC Detection Condition Trouble Area B1499/99 Open in CAN communication circuit CAN communication system PROCEDURE 1. CHECK FOR DTC (a) Clear the DTC (see page ). (b) Check for the DTC (see page ). Result Result Proceed ...

Toyota Tundra Owners Manual