( TF09E8PJ54300041951FCAT00 )
Wipers/Washers (MICU) Input Test

NOTE:
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect under-dash fuse/relay box connectors A, B, C, K, M, N, Q, and W.
    NOTE:
    • All connector views are shown from wire side of female terminals.
    • The illustration shows the RHD model and the black portion shows the lock lever. The lock lever for LHD model is shown as the dashed lines.
  1. Inspect the connector and socket terminals to be sure they are all making good contact.
    • If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.
    • If the terminals look OK, go to Step 5 .
  1. With the connectors still disconnected, make these input tests at the connectors.
    Cavity
    Wire
    Test condition
    Test: Desired result
    Possible cause if desired result is not obtained
    K10
    BLK
    Under all conditions
    Check for continuity to ground: There should be continuity.
    • Poor ground (G502)
    • An open in the wire
    M16
    BLK
    Under all conditions
    Check for continuity to ground: There should be continuity.
    • Poor ground (G501)
    • An open in the wire
    N2
    BLK
    Under all conditions
    Check for continuity to ground: There should be continuity.
    • Poor ground (G501)
    • An open in the wire
    Q9
    BLK
    Under all conditions
    Check for continuity to ground: There should be continuity.
    • Poor ground (G502)
    • An open in the wire
    W1
    YEL
    Ignition switch ON (II)
    Measure the voltage to ground: There should be battery voltage.
    • Blown No. 60 (IGN) (50 A) fuse in the under-dash fuse/relay box
    • Faulty ignition switch
    • An open in the wire
    A7
    GRN
    Under all conditions
    Connect the A7 terminal to the battery power: The windshield wiper motor should run at high speed.
    • Poor ground (G202)
    • Faulty windshield wiper motor
    • An open in the wire
    A14
    BLU
    Under all conditions
    Connect the A14 terminal to the battery power: The windshield wiper motor should run at low speed.
    A34
    ORN
    Under all conditions
    Connect the A34 terminal to battery power and A35 terminal to body ground:The windshield/rear window washer motor should run.
    • Faulty windshield/rear window washer motor
    • An open in the wire
    A35
    LT BLU
    Under all conditions
    Connect the A35 terminal to battery power and A34 terminal to body ground:The windshield/rear window washer motor should run.
    • Faulty windshield/rear window washer motor
    • An open in the wire
    A19[B20]
    PNK
    The motor stops at auto-stop position.
    Check for continuity to ground: There should be continuity.
    • Faulty windshield wiper motor
    • Poor ground (G202)
    • An open in the wire
    Connect the A14 terminal to the battery power momentarily, and stop the motor operation before the motor reaches the auto-stop position.
    Check for continuity to ground: There should be no continuity.
    Faulty windshield wiper motor

    [ ]:
    LHD model

    Cavity
    Wire
    Test condition
    Test: Desired result
    Possible cause if desired result is not obtained
    C39· C29
    PUR· BRN
    Connect battery power to C39 terminal, then connect C29 terminal to body ground momentarily.
    Check rear window wiper motor operation:The rear window wiper motor should run, and the park position.
    • Faulty rear window wiper motor
    • An open in the wire
    • Poor ground (G602) [G604]
    M10· Q5
    RED· BLK
    Windshield wiper/washer switch (LO or HI) ON
    Check for continuity between M10 and Q5 terminals:There should be continuity.
    • Faulty windshield wiper/washer switch
    • An open in the wire
    Windshield wiper/washer switch OFF
    Check for continuity between M10 and Q5 terminals:There should be no continuity.
    Faulty windshield wiper/washer switch
    M11· Q5
    ORN· BLK
    Windshield wiper/washer switch (INT or LO) ON
    Check for continuity between M11 and Q5 terminals:There should be continuity.
    • Faulty windshield wiper/washer switch
    • An open in the wire
    Windshield wiper/washer switch OFF
    Check for continuity between M11 and Q5 terminals:There should be no continuity.
    Faulty windshield wiper/washer switch
    M12· Q5
    GRN· BLK
    Windshield wiper/washer switch (MIST) ON
    Check for continuity between M12 and Q5 terminals:There should be continuity.
    • Faulty windshield wiper/washer switch
    • An open in the wire
    Windshield wiper/washer switch OFF
    Check for continuity between M12 and Q5 terminals:There should be no continuity.
    Faulty windshield wiper/washer switch
    M13· Q5
    PUR· BLK
    Windshield wash switch ON
    Check for continuity between M13 and Q5 terminals:There should be continuity.
    • Faulty windshield wiper/washer switch
    • An open in the wire
    Windshield wash switch OFF
    Check for continuity between M13 and Q5 terminals:There should be no continuity.
    Faulty windshield wiper/washer switch
    M14· Q5
    YEL· BLK
    Rear window wiper/washer switch (RR WIPER) ON
    Check for continuity between M14 and Q5 terminals:There should be continuity.
    • Faulty Rear window wiper/washer switch
    • An open in the wire
    Rear window wiper/washer switch OFF
    Check for continuity between M14 and Q5 terminals:There should be no continuity.
    Faulty Rear window wiper/washer switch
    M15· Q5
    BLU· BLK
    Rear window wiper/washer switch (RR WASH) ON
    Check for continuity between M15 and Q5 terminals:There should be continuity.
    • Faulty Rear window wiper/washer switch
    • An open in the wire
    Rear window wiper/washer switch OFF
    Check for continuity between M15 and Q5 terminals:There should be no continuity.
    Faulty Rear window wiper/washer switch

    [ ]:
    LHD model