Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC PRIORITY
1. Turn ignition switch ON.
2. Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
3. Are any of the following displayed as current on the CONSULT screen:
  - P0562-00
  - P0563-00
  - P0687-00
Is applicable DTC detected?

YES

Refer to DTC Index .

NO

GO TO 2 .
CHECK DTC PRIORITY
1. Turn ignition switch ON.
2. Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
3. Are any of the following displayed as current on the CONSULT screen:
  - U0106-00
  - U010C-00
  - U010E-00
  - U029D-00
  - U029E-00
  - U1611-00
  - U1612-00
Is applicable DTC detected?

YES

Replace IPDM E/R. Refer to Removal and Installation of IPDM E/R .

NO

GO TO 3 .
CHECK BATTERY TERMINALS
1. Turn ignition switch OFF.
2. Check the battery terminal connections.
Are the battery terminal connections tight and corrosion free?

YES

GO TO 4 .

NO

Tighten and clean the terminals.
CHECK BATTERY VOLTAGE
1. Turn ignition switch ON.
2. Measure the voltage from the positive battery terminal to the negative battery terminal.
Is the battery voltage at least 12V?

YES

GO TO 5 .

NO

Charge or replace battery(s). Refer to Removal and Installation - CUMMINS 5.0L .
INSPECT ROTARY TURBINE CONTROL VALVE ACTUATOR AND CONNECTOR PINS
1. Turn ignition switch OFF.
2. Disconnect rotary turbine control valve actuator harness connector F146.
3. Inspect the harness connector and rotary turbine control valve actuator pins for the following:
  - Loose connector
  - Corroded pins
  - Bent or broken pins
  - Pushed back or expanded pins
  - Moisture in or on the connector
  - Missing or damaged connector seals
  - Dirt or debris on or in the connector pins
  - Connector shell broken
  - Wire insulation damage
  - Damaged connector locking tab
Is the inspection result normal?

YES

GO TO 6 .

NO

Repair or replace error-detected parts.

CHECK THE ROTARY TURBINE CONTROL VALVE ACTUATOR SUPPLY VOLTAGE AND RETURN CIRCUIT

Turn ignition switch OFF.
Disconnect the rotary turbine control valve actuator harness connector F146.
Turn ignition switch ON.

Measure the voltage between rotary turbine control valve actuator harness connector F146 terminals 1 and 4.

Rotary turbine control valve actuator

Voltage

(Approx.)

Connector

Terminal

F146

> 10V

Is inspection result normal?

YES

Replace rotary turbine control valve actuator. Refer to Removal and Installation .

GO TO 7.

CHECK THE ROTARY TURBINE CONTROL VALVE ACTUATOR VOLTAGE

Turn ignition switch OFF.
Disconnect the rotary turbine control valve actuator harness connector F146.
Turn ignition switch ON.

Measure the voltage between rotary turbine control valve actuator harness connector F146 terminal 4 and ground.