DESCRIPTION
Power is supplied to the fold seat control ECU through the ECU-DCC NO. 2, P/SEAT R/R*1, P/SEAT R/L*2 and ECU-IG1 NO. 4 fuses.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - BATTERY AND BODY GROUND) |
*A | for Rear RH Seat |
*B | for Rear LH Seat |
*a | Front view of wire harness connector (to Fold Seat Control ECU) |
(a) Disconnect the x3*1 or y3*2 and x4*1 or y4*2 fold seat control ECU (rear right seat) connectors.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
for Rear RH Seat Tester Connection | Condition | Specified Condition |
---|---|---|
x4-1 (IND1) - Body ground | Always | 11 to 14 V |
x4-2 (+B) - Body ground | Always | 11 to 14 V |
x3-1 (ECUB) - Body ground | Always | 11 to 14 V |
x3-3 (IG) - Body ground | Engine switch off → on (IG) | Below 1 V → 11 to 14 V |
Tester Connection | Condition | Specified Condition |
---|---|---|
y4-1 (IND1) - Body ground | Always | 11 to 14 V |
y4-2 (+B) - Body ground | Always | 11 to 14 V |
y3-1 (ECUB) - Body ground | Always | 11 to 14 V |
y3-3 (IG) - Body ground | Engine switch off → on (IG) | Below 1 V → 11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for Rear RH Seat Tester Connection | Condition | Specified Condition |
---|---|---|
x4-10 (GND) - Body ground | Always | Below 1 Ω |
x4-9 (GND2) - Body ground | Always | Below 1 Ω |
x3-40 (IND2) - Body ground | Always | Below 1 Ω |
Tester Connection | Condition | Specified Condition |
---|---|---|
y4-10 (GND) - Body ground | Always | Below 1 Ω |
y4-9 (GND2) - Body ground | Always | Below 1 Ω |
y3-40 (IND2) - Body ground | Always | Below 1 Ω |
OK | GO TO PROBLEM SYMPTOMS TABLE |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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