B3604

DTC B3604 or B3605

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC B3604 01
- Adjustable Foot Pedal Forward Switch Circuit Short to Battery

DTC B3605 01
- Adjustable Foot Pedal Rearward Switch Circuit Short to Battery

Diagnostic Fault Information






Circuit/System Description

The adjustable pedals forward and rearward switches are inputs to the memory seat module. The memory seat module supplies the switch assembly with a battery positive reference voltage. When the switch is operated to the forward or rearward direction, battery positive voltage is applied to the forward or rearward switch signal inputs.

Conditions for Running the DTC

System voltage to the memory seat module must be 9-16 volts.

Conditions for Setting the DTC

The forward and rearward switch signal circuits are active at the same time.

Action Taken When the DTC Sets

The adjustable pedals will be disabled.

Conditions for Clearing the DTC

The fault is no longer present.

Circuit/System Testing

1. Disconnect the adjustable pedal switch connector.
2. Ignition ON, verify that both adjustable pedal switch parameters to the memory seat module are Inactive.

^ If one of the switch parameters is always Active test the affected switch signal circuit for a short to voltage. If the signal circuit tests normal replace the memory seat module.

3. If the circuit tests normal replace the adjustable pedal switch.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

Accessory Switch Replacement (with RPO SLT) Accessory Switch Replacement (without RPO SLT)