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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 695 (NAVIGATION SYSTEM - DIAGNOSTICS)REVERSE SIGNAL CIRCUITINSPECTION PROCEDURE

2004 Toyota Matrix XR, FWD, Standard

Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT RADIO AND NAVIGATION ASSY
1. Disconnect the radio and navigation assy connector R5.
  
  Fig 1: Disconnecting Radio & Navigation Assy Connector R5
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage according to the value(s) in Fig 2 .
  Standard:
  
  Fig 2: Tester Connection Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: REPLACE RADIO AND NAVIGATION ASSY (SEE REPLACEMENT )
2. NG: Go to Next Step.

CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSY - PARK/NEUTRAL POSITION SWITCH ASSY)

Disconnect the connectors from the radio and navigation assy R5 and park/neutral position switch assy A3.

Fig 3: Disconnecting Connectors From Radio & Navigation Assy R5 & Park/Neutral Position Switch Assy A3
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in SPECIFIED CONDITION .

Standard:

SPECIFIED CONDITION

Tester connection	Condition	Specified condition
REV - A3-1	Always	Below 1 Ω
REV - Body ground	Always	10 kΩ or higher

Fig 4: Identifying Park/Neutral Position Switch Assy Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE RADIO AND NAVIGATION ASSY (SEE REPLACEMENT )

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.