B2616 IGNITION RELAY CIRCUIT

POWER DISTRIBUTION SYSTEM

B2616

Description
DTC Logic
Diagnosis Procedure
Component Inspection

Description

BCM controls the various electrical components and simultaneously supplies power according to the power supply position.
BCM checks the power supply position internally.

DTC Logic

DTC DETECTION LOGIC

DTC No.	Trouble diagnosis name	DTC detecting condition	Possible cause
B2616	Ignition relay circuit	An immediate operation of ignition relay (fuse block) is requested by BCM, but there is no response for more than 1 second	Harness or connectors (Ignition relay circuit is open or shorted) Ignition relay (Fuse block)

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure

1.CHECK IGNITION RELAY POWER SUPPLY

2.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT

3.CHECK IGNITION RELAY GROUND CIRCUIT

4.CHECK IGNITION RELAY

5.CHECK INTERMITTENT INCIDENT

Component Inspection

1.CHECK IGNITION RELAY

(+)	(–)	Condition		Voltage (V) (Approx.)
Ignition relay
Terminal
1	Ground	Ignition switch	OFF or ACC	0
			ON	Battery voltage

Ignition relay	BCM		Continuity
Terminal	Connector	Terminal	Continuity
1	M122	82	Existed

Ignition relay	Ground	Continuity
Terminal
1		Not existed

Ignition relay	Ground	Continuity
Terminal
2		Existed

Terminals	Condition	Continuity
3 and 5	12 V direct current supply between terminals 1 and 2	Existed
3 and 5	No current supply	Not existed