2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 73
SELF-DIAGNOSTIC LOGIC
DIAGNOSTIC PROCEDURE
1.CHECK STOP LAMP SIGNAL
With CONSULT-III
Check ("STOP LAMP SW") in DATA MONITOR mode with CONSULT-III.
When depressing the break pedal
STOP LAMP SW : ON
Without CONSULT-III
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK - Check the condition of harness and connector, It is OK, check the self-diagnosis results using CONSULT-III again.
NG - Check the following.
- 10A fuse [No.20, located in the fuse block (J/B)]
- Harness for open or short between fuse block and Intelligent Key unit.
B2556
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
B2556 ENG START SW
DIAGNOSIS DESCRIPTION
When the push-button ignition switch input, which inputs to the Intelligent Key unit, continues for 100 seconds or more, B2556 push-button
ignition switch judges that it is the malfunction and displays the DTC (Diagnostic
Trouble Code)
TERMINALS AND REFERENCE VALUE FOR INTELLIGENT KEY UNIT
