|
|
TROUBLESHOOTING REAR AXLE 27-15 STEP 7. Check the harness between AC310716 1 3 2 Connector: F-25 F-25 (3-B) AB Hydraulic unit AC310721 18 16 1415 17 23 21 1920 22 26 2425 3 1 2 4 5 10 8 6 7 9 13 12 11 4WD-ECU C-25 (26-Y) Connector: C-25 AB Check the output line for short-circuited or open cir- Q: Is the check result normal? YES : Replace the 4WD-ECU. NO : Repair the wiring harness. Code No.72: Direction valve (RH) system DIRECTION VALVE (RH) SYSTEM Refer to . OPERATION • After processing information of various sensors and switches, the 4WD-ECU calculates the • The current flows from the 4WD-ECU to activate the direction valve (RH), which supplies the oil DIAGNOSIS CODE SET CONDITIONS Diagnosis code No.72 is set when the direction valve PROBABLE CAUSES • Malfunction of the direction valve (RH) • Damaged harness wires and connectors • Malfunction of the 4WD-ECU |