DTC C1258/58 Transfer 4WD Position Switch Circuit; DTC C1282/82 Center Differential Lock Position Switch Malfunction (Test Mode DTC): Description

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

This circuit monitors whether the transfer is in 2WD or 4WD mode and inputs the signal to the skid control ECU.

In 2WD mode, TRAC is activated.

in 4WD mode, A-TRAG is activated.

DTC DETECTING CONDITIONS AND TROUBLE AREAS REFERENCE

DTC No.	DTC Detecting Conditions	Trouble Areas
C1258/58	4WD Open in 4WD detecting circuit 2WD Terminal NEO ground short, or abnormal signals transmitted to terminal EXI	Transfer indicator switch (4WD position) (A/T) Transfer indicator switch (4WD position) circuit (A/T) Transfer indicator switch (center differential lock position) (M/T) Transfer indicator switch (center differential lock position) circuit (M/T) Master cylinder solenoid (skid control ECU)
C1282/82	Detected only during test mode	Transfer indicator switch (4WD position) (A/T) Transfer indicator switch (4WD position) circuit (A/T) Transfer indicator switch (center differential lock position) (M/T) Transfer indicator switch (center differential lock position) circuit (M/T)