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2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 420

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 420

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the rear video display.

2. Ignition ON, test for 100-300 Hz at the control circuit terminal 9.

瀚慖f not within the specified range, test the control circuit for a short to voltage, short to ground, or an open/high resistance. If the circuit

tests normal, replace the radio.

3. If all circuits test normal, replace the rear video display.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Video Display Replacement (Second Row) (See: Accessories and Optional Equipment/Entertainment Systems/Television / Monitor/Service

and Repair/Video Display Replacement (Second Row))Video Display Replacement (Third Row) (See: Accessories and Optional

Equipment/Entertainment Systems/Television / Monitor/Service and Repair/Video Display Replacement (Third Row))

* Control Module References (See: Testing and Inspection/Programming and Relearning) for Radio replacement, setup, and programming

Engine Electrical

DTC B1325

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC B1325 03

- Device Power Circuit Voltage Below Threshold

DTC B1325 07

- Device Power Circuit Voltage Above Threshold

Diagnostic Fault Information

Circuit/System Description

The control modules on this vehicle monitor the voltage on the battery positive (B+) voltage circuits. The following modules on this vehicle will set

DTC B1325 if high or low battery voltage is detected:

* Audio amplifier

* Instrument panel cluster (IPC)

* Passenger presence system (PPS)

* Radio

* Rear object sensor control module

Conditions for Running the DTC

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