Inspection Procedure

1. Operate the power window regulator switch on rear door LH. Check if any DTCs are output.

Result: 

Fig 1: Result Chart

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B: PROCEED TO DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 

A: Go to next step. 

1. Connect the hand-held tester (with CAN VIM) to the DLC3.
2. Turn the ignition switch ON and press the hand-held tester main switch ON.
3. Select the items below in the DATA LIST, and read the displays on the hand-held tester.

Rear door LH ECU: 

Fig 2: Rear Door LH ECU - Data List

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OK: "ON"(switch is operated) appears on the screen. 

NG: Go to step 3 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 

1. Remove the regulator switch.
2. Disconnect the switch connector.
3. Measure the resistance between the terminals of the wire harness side connector.

Standard: 

Regulator switch 

Fig 3: Terminals Resistance Reference Chart (Regulator Switch)

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Fig 4: Inspecting Power Window Regulator Switch Assy

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NG: REPLACE POWER WINDOW REGULATOR SWITCH ASSY REAR LH 

OK: Go to next step. 

1. Disconnect the P11 switch connector.
2. Disconnect the R12 ECU connector.
3. Measure the resistance of the wire harness side connectors.

Standard: 

Fig 5: Terminals Resistance Reference Chart

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Fig 6: Checking Wire Harness (Power Window Regulator Switch Assy Rear LH-Rear Door LH ECU)

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NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  )