Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Check IPDM E/R Operation
- CHECK IPDM E/R INPUT VOLTAGE
Check voltage between IPDM E/R connector E9 terminal 51 and ground.
51 (SB) - Ground : Battery voltage
Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
OK : Replace IPDM E/R.
NG : GO TO 2.
- CHECK IPDM E/R HARNESS
- Turn ignition switch OFF.
- Disconnect IPDM E/R and horn relay connector.
- Check continuity between IPDM E/R connector E9 terminal 51 and horn relay connector E10 terminal 1.
51 (SB) - 1 (SB) : Continuity should exist.
OK or NG
OK : Check harness connection.
NG : Repair or replace harness.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.