ECU Power Source Circuit

THEFT DETERRENT: THEFT DETERRENT SYSTEM: ECU Power Source Circuit
- ECU Power Source Circuit

DESCRIPTION

This circuit provides power for main body ECU RH operation.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (D/C CUT, MPX-B)

(a) Remove the D/C CUT and MPX-B fuses from the engine room R/B and J/B No. 1.

Measure the resistance.

Standard resistance:

Below 1 Ohms

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

2. CHECK COWL SIDE JUNCTION BLOCK RH (POWER SOURCE)

(a) Install the D/C CUT and MPX-B fuses to the engine room R/B and J/B No. 1.

(b) Disconnect the RK J/B connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (COWL SIDE J/B RH - BODY GROUND)

(a) Disconnect the RD and RA J/B connectors.

(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

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