Power Source Circuit

SEAT: REAR POWER SEAT CONTROL SYSTEM: Power Source Circuit

Power Source Circuit

DESCRIPTION

Power is supplied to the fold seat control ECU through the L1 RR2 SEAT*1, L2 RR2 SEAT*1, R1 RR2 SEAT*2 and R2 RR2 SEAT*2 fuses.

- *1: LH Side
- *2: RH Side

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE





(a) Remove the L1 RR2 SEAT, L2 RR2 SEAT, R1 RR2 SEAT and R2 RR2 SEAT fuses from the engine room relay block.
(b) Remove the ECU-IG No. 2 fuse from the main body ECU.
(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- CHECK FOR SHORTS IN ALL HARNESSES AND CONNECTORS CONNECTED TO FUSE AND REPLACE FUSE
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (POWER SOURCE)





(a) Disconnect the O33 and O34 or P19 and P20 ECU connectors.
(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

LH Side





RH Side





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

3. CHECK HARNESS AND CONNECTOR (GROUND)





(a) Disconnect the O33 or P19 ECU connector.
(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

LH Side





RH Side





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE