Inspection Procedure

CHECK FUSE (D P/SEAT, ECU-IG, ECU-B)
1. Remove the fuses from the instrument panel J/B assy and engine room J/B.
2. Check the continuity.
  Standard: Continuity
1. NG: REPLACE FUSE
2. OK: GO TO NEXT STEP

CHECK POSITION CONTROL ECU & SWITCH ASSY

Disconnect the P19 and P20 position control ECU & switch assy connectors.
Check the voltage between the terminals of the P19 or P20 connector and the body ground.

Fig 1: Checking Voltage Between Terminals Of P19 Or P20 Connector And Body Ground

G03470633

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

TERMINALS VOLTAGE CONDITIONS

Symbols (Terminal No.)	Condition	Specified Condition
+B (P19-5) <--> Body ground	Constant	10-14V
SYSB (P20-8) <--> Body ground	Constant	10-14V
IG (P20-4) <--> Body ground	Ignition switch OFF --> ON	0V --> 10-14V

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE POSITION CONTROL ECU & SWITCH ASSY