Toyota Tundra Service Manual: Transfer Shift Motor Control Circuit Circuit Open (P17A8,P17A9)

DESCRIPTION

This DTC is detected when an open circuit or short to ground is detected in the transfer shift motor drive circuit.

DTC Code

DTC Detection Condition

Trouble Area

P17A8

P17A9

WIRING DIAGRAM

PROCEDURE

1.	CHECK TRANSFER SHIFT ACTUATOR ASSEMBLY (TRANSFER SHIFT MOTOR)

(a) Disconnect the 4 wheel drive control ECU connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
A26-1 (TM1) - A26-2 (TM2)	Always	Below 5 Ω
A26-1 (TM1) or A26-2 (TM2) - Body ground	Always	10 kΩ or higher

Text in Illustration

*a	Front view of wire harness connector (to 4 Wheel Drive Control ECU)

REPLACE 4 WHEEL DRIVE CONTROL ECU

2.	CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - TRANSFER SHIFT ACTUATOR ASSEMBLY)

(a) Disconnect the A26 4 wheel drive control ECU connector.

(b) Disconnect the D67 transfer shift actuator assembly connector.

Standard Resistance:

REPLACE TRANSFER SHIFT ACTUATOR ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

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