2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 77
B2558 SHIFT POSITION
DIAGNOSIS DESCRIPTION
B2558 shift position input system monitors the A/T selector lever position. If there is the difference between the input from A/T shift selector, the
input from A/T assembly, and CAN communication input from A/T control unit, it judges that it is the malfunction and displays the DTC
(Diagnostic Trouble Code)
TERMINALS AND REFERENCE VALUE FOR INTELLIGENT KEY UNIT
SELF-DIAGNOSTIC LOGIC
DIAGNOSTIC PROCEDURE
1.CHECK A/T SHIFT SELECTOR SIGNAL
1. Turn ignition switch ON.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK - GO TO 4.
NG - GO TO 2.
2.CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
