Passenger Side J/B ECU Power Source Circuit

ENGINE HOOD / DOOR: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM: Passenger Side J/B ECU Power Source Circuit
- Passenger Side J/B ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the main body ECU RH.

HINT
Below, the passenger side junction block ECU is referred to as the main body ECU RH.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (MPX-B)

(a) Remove the MPX-B fuse from the engine room No. 1 relay block.

(b) Measure the resistance of the fuse.

Standard resistance:

Below 1 Ohms

NG -- REPLACE FUSE
OK -- Continue to next step.

2. CHECK WIRE HARNESS (MAIN BODY ECU RH - BATTERY AND BODY GROUND)





(a) Disconnect the DK and DD ECU connectors.

(b) Measure the voltage and resistance of the wire harness side connectors.

Standard voltage:

Standard resistance










NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE