2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 38
First perform the "SELF-DIAG RESULTS" in "BCM" with CONSULT-III, then perform the trouble diagnosis of malfunction system
indicated "SELF-DIAG RESULTS" of "BCM". .
1.CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS "CHAIN OF BCM-ECM" displayed on CONSULT-III screen.
NOTE:
In rare case, "CHAIN OF BCM-ECM" might be stored during key registration procedure, even if the system is not malfunctioning.
Is CONSULT-III screen displayed?
Yes - GO TO 2.
No - See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Scan Tool Testing and Procedures/IVIS
(Infiniti Vehicle Immobilizer System-NATS)/CONSULT-III Functions (BCM-IMMU).
2.CHECK POWER SUPPLY CIRCUIT FOR BCM
Check voltage between BCM and ground with CONSULT-III or tester.
OK or NG
OK - GO TO 3.
NG - Check the following.
- 50A fusible link (letter F, located in the fuse and fusible link box)
- 10A fuse [No.21, located in the fuse block (J/B)]
- 15A fuse [No. 1, located in the fuse block (J/B)]
- Harness for open or short between fusible link and BCM
- Harness for open or short between fuse and BCM
3.CHECK GROUND CIRCUIT FOR BCM
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM connector and ground.
OK or NG
OK - GO TO 4.
NG - Repair or replace harness.
