Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT TRANSMISSION CONTROL SWITCH

(a) Disconnect the transmission control switch connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
3 (IG) - 7 (S)	Shift lever position S, "+" or "-"	Below 1 Ω
2 (SFTU) - 5 (E)	Shift lever position continuously shifted to "+" (Up-shift)
1 (SFTD) - 5 (E)	Shift lever position continuously shifted to "-" (Down-shift)
3 (IG) - 7 (S)	Shift lever position not in S	10 kΩ or higher
2 (SFTU) - 5 (E)	Shift lever position S
1 (SFTD) - 5 (E)	Shift lever position S

Text in Illustration

*a	Component without harness connected (Transmission Control Switch)

If the result is not as specified, replace the transmission floor shift assembly.

Toyota Tundra Service Manual > Vehicle Stability Control System: High Power Supply Voltage Malfunction (C1417)
DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (brake actuator assembly) stores this DTC and the fail-safe function prohibits ABS operation. This DTC is stored when the +BS terminal voltage deviates due to a malfunction in a power supply or charging system ...

Toyota Tundra Owners Manual