Check the interior power distribution panel under the dashboard on the driver side first, as most lighting, ignition, and accessory faults originate there. Remove the protective cover and verify each slot against its assigned amperage before replacing any blown link.
This SUV uses a structured panel layout where each numbered position corresponds to a specific circuit such as headlights, power windows, fuel system, or audio unit. Typical ratings range from 10A to 40A, and incorrect replacements can lead to overheating or wiring damage.
A secondary panel is located in the engine compartment near the battery, handling high-current systems like cooling fans, charging circuits, and ABS. Both interior and engine-side panels must be checked during diagnostics to avoid missing faults.
Use a multimeter to test voltage at both terminals of each slot. If power is present on only one side, the internal strip is broken. If no voltage is detected, trace the circuit upstream to locate issues such as damaged wiring or failed relays.
Burn marks, loose contacts, or melted plastic around a slot indicate excessive current or poor connection. Clean terminals and ensure a tight fit to restore stable electrical flow and prevent repeated failures.
Honda Passport Electrical Panel Layout with Circuit Positions and Details
Match each numbered slot on the interior power panel with its assigned circuit before installing a replacement link, using the printed numbering near the carrier for accuracy. Incorrect placement can disable systems such as lighting, ignition, or power accessories.
The panel is arranged in rows where each position controls a specific function. Lower slots typically handle exterior lighting and signaling, while central positions manage interior systems like power windows, radio, and dashboard controls. Upper slots are linked to engine-related components, including fuel delivery and control modules.
Amperage values are identified by color coding, with common ratings such as 10A, 15A, 20A, and 30A. Using a higher-rated insert than specified may allow excessive current flow, increasing the risk of wiring damage or component failure.
Relay units located near the main panel control high-load circuits such as the starter system, fuel pump, and cooling fans. If a circuit stops working without a broken internal strip, inspect the relay by swapping it with an identical unit or checking for voltage at its terminals.
Trace each circuit using wire color codes and connector paths from the panel to the affected component. Ground wires are typically black, while power supply lines often use red or striped insulation. Testing both sides of each slot helps confirm continuity and identify breaks.
Signs such as heat discoloration, loose terminals, or melted plastic indicate overload or poor contact. Clean connectors, secure the terminals, and replace damaged parts to restore stable current flow and prevent recurring electrical faults.
Locations of Interior and Engine Compartment Electrical Panels in Honda Passport
Open the driver-side door and inspect the lower dashboard area to the left of the steering column, where the interior power distribution panel is mounted behind a removable plastic cover. Pull the edge of the cover outward to release retaining clips without damaging them.
The cabin panel is positioned above the footwell and angled slightly toward the driver for easier viewing. Use a flashlight to clearly read slot numbers and identify circuit positions, especially in low-light conditions.
Access requires minimal tools, but disconnecting the negative battery terminal is recommended before touching internal contacts to avoid accidental short circuits.
In the engine compartment, locate the secondary power panel near the battery on the driver side. It is enclosed in a rectangular protective housing with a snap-on lid that shields high-current connections from dirt and moisture.
This under-hood unit handles major electrical loads, including cooling fans, ABS system, and charging circuits. Remove the cover by pressing side tabs, then inspect the internal layout and connection points.
Both interior and engine-side panels must be checked during diagnostics, as electrical distribution is split between these locations. A fault in one area can affect systems controlled by the other.
Look for clear signs of wear such as corrosion, heat marks, or loose terminals in both locations. Addressing these issues early helps maintain stable current flow and reduces the risk of system failure.