IPDM E/R Operation Check

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IPDM E/R INPUT VOLTAGE
Check voltage between IPDM E/R connector E122 terminal 45 and ground.

Fig 1: IPDM E/R Connector E122 And Ground Voltage Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Voltage Between IPDM E/R Connector E122 Terminal 45 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Replace IPDM E/R.
2. NG: GO TO 2.
CHECK IPDM E/R INPUT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay.
3. Check continuity between IPDM E/R connector E122 terminal 45 and horn relay connector H-1 terminal 1.
  1. 45 (G/W) - 1 (R/W): Continuity should exist.
OK or NG
1. OK: Further inspection is necessary. Refer to "SYMPTOM CHART ".
2. NG: Repair or replace harness
Fig 3: Checking Continuity Between IPDM E/R Connector E122 Terminal 45 And Horn Relay Connector H-1 Terminal 1
Courtesy of NISSAN MOTOR CO., U.S.A.