ELECTRONIC CONTROLLED AUTOMATIC TRANSMISSION SYSTEM > A/T P Indicator Circuit

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DESCRIPTION

The propeller shaft and wheels are free even when the transmission shift lever is on P, as long as the transfer shift lever is on N. The A/T P indicator illuminates to warn the driver that the propeller shaft and wheels are not locked.
If the A/T P indicator illuminates, the transfer shift lever should be moved from N.

WIRING DIAGRAM


G034576E01


INSPECTION PROCEDURE

1.INSPECT PARK/NEUTRAL POSITION SWITCH


    G026080E06

  1. Disconnect the N1 PNP switch connector.

  1. Measure the resistance of the PNP switch when the shift lever is moved to each position.

    Standard resistance:
    Tester Connection
    		Shift Lever Position
    		Specified Condition
    4 (B) - 5 (L)
    		P or N
    		Below 1 Ω
    4 (B) - 5 (L)
    		Not on P or N
    		10 kΩ or higher
    1 (RL) - 2 (RB)
    		R
    		Below 1 Ω
    1 (RL) - 2 (RB)
    		Not on R
    		10 kΩ or higher
    2 (RB) - 7 (DL)
    		D
    		Below 1 Ω
    2 (RB) - 7 (DL)
    		Not on D
    		10 kΩ or higher
    2 (RB) - 3 (2L)
    		2
    		Below 1 Ω
    2 (RB) - 3 (2L)
    		Not on 2
    		10 kΩ or higher
    2 (RB) - 8 (LL)
    		L
    		Below 1 Ω
    2 (RB) - 8 (LL)
    		Not on L
    		10 kΩ or higher



NG
REPLACE PARK/NEUTRAL POSITION SWITCH
OK


2.INSPECT NO. 2 TRANSFER INDICATOR SWITCH (TRANSFER NEUTRAL POSITION SWITCH)
A110992E01

  1. Remove the transfer indicator switch.

  1. Measure the resistance of the switch when pushing the ball at the tip of the switch.

    Standard resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 - 2
    		Not pushed
    		10 kΩ or higher
    1 - 2
    		Pushed
    		Below 1 Ω



NG
REPLACE NO. 2 TRANSFER INDICATOR SWITCH (TRANSFER NEUTRAL POSITION SWITCH)
OK


3.INSPECT COMBINATION METER

  1. Check the A/T P indicator light.

    1. Disconnect the T5 transfer indicator switch connector.

    2. Turn the ignition switch ON.

    3. Connect the T5-1 terminal of the wire harness side connector to the body ground, and then check the A/T P indicator light.

      OK:
      A/T P indicator light illuminates.



NG
REPLACE COMBINATION METER
OK

REPAIR OR REPLACE HARNESS AND CONNECTOR