Inspection Procedure
- INSPECT FUSE (RR MPX-B2)
- Remove the RR MPX-B2 fuse from the luggage room junction block.
- Measure the resistance of the fuse.
Standard resistance
RESISTANCE REFERENCE CHARTTester Connection Condition Specified Condition RR MPX-B2 fuse Always Below 1 Ω NG: REPLACE FUSE
OK: Go to Next Step
- CHECK HARNESS AND CONNECTOR (REAR POWER SEAT MODULE - BODY GROUND AND BATTERY)
- Disconnect the r2*1 or S15*2 rear power seat module connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
w/o Ottoman
RESISTANCE REFERENCE CHARTTester Connection Condition Specified Condition r2-3 (E) - Body ground Always Below 1 Ω w/ Ottoman
RESISTANCE REFERENCE CHARTTester Connection Condition Specified Condition S15-5 (E) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard voltage
w/o Ottoman
VOLTAGE REFERENCE CHARTTester Connection Condition Specified Condition r2-11 (B) - Body ground Always 11 to 14 V w/ Ottoman
VOLTAGE REFERENCE CHARTTester Connection Condition Specified Condition S15-6 (B) - Body ground Always 11 to 14 V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to Next Step
- CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - REAR POWER SEAT MODULE)
- Disconnect the r2*1 or S15*2 rear power seat module connector.
- Disconnect the L76 air conditioning amplifier connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
w/o Ottoman
RESISTANCE REFERENCE CHARTTester Connection Condition Specified Condition L76-21 (LIN3) - r2-14 (RCLN) Always Below 1 Ω L76-21 (LIN3) - Body ground Always 10 kΩ or higher w/ Ottoman
RESISTANCE REFERENCE CHARTTester Connection Condition Specified Condition L76-21 (LIN3) - S15-13 (RCLN) Always Below 1 Ω L76-21 (LIN3) - Body ground Always 10 kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to Next Step
- REPLACE REAR POWER SEAT MODULE
- Replace the rear power seat module with a new or properly functioning one (see REMOVAL ).
- Operate the rear power seat module to check that it functions properly.
OK: Rear power seat module function operates normally.
NG: REPLACE AIR CONDITIONING AMPLIFIER (See REMOVAL )
OK: END (REAR POWER SEAT MODULE IS FAULTY)