Nissan Maxima Service and Repair Manual: B2608 starter relay
Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication.
DTC DETECTION LOGIC
If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-29, "DTC Logic".
If DTC B2608 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-30, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Press the push-button ignition switch under the following conditions.
CVT selector lever is in the P or N position.
Depress the brake pedal.
Check "Self diagnostic result" with CONSULT.
Regarding Wiring Diagram information, refer to SEC-147, "Wiring Diagram" or SEC-128, "Wiring Diagram".
1.CHECK STARTER RELAY
Turn ignition switch ON.
Check voltage between BCM harness connector and ground under the following condition.
2.CHECK STARTER RELAY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM harness connector M21 and IPDM E/R harness connector E17.
Check continuity between IPDM E/R harness connector E17 (A) terminal 46 and BCM harness connector M21 (B) terminal 132.
4. Check continuity between IPDM E/R harness connector E17 (A) terminal 46 and ground.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".