Part 1

Power Window: Power Windows does not Work by Operating the Front Passenger's or Rear Passenger's Sub Switches

Power Window Sub Switch Circuit:

Connectors:

CIRCUIT OPERATION
Power window motors open or close the door windows when the front passenger's or rear passenger's sub switch is moved to "UP" or "DOWN" position.

TECHNICAL DESCRIPTION (COMMENT)
A power window sub-switch or power window motor may be defective. Alternatively, the power window lock switch (incorporated in the power window main switch) may remain pressed to "LOCK" position.

TROUBLESHOOTING HINTS
- Malfunction of power window main switch
- Malfunction of front power window sub-switch (RH)
- Malfunction of rear power window sub-switch (LH)
- Malfunction of rear power window sub-switch (RH)
- Malfunction of front power window motor (RH)
- Malfunction of rear power window motor (LH)
- Malfunction of rear power window motor (RH)
- Damaged harness wires or connectors

DIAGNOSIS

Required Special Tool:
- MB991223: Harness Set

Part 1:

Part 2:

STEP 1. Check each switch on the power window main switch for continuity.

1. Remove the power window main switch. Refer to Door-Door Trim and Waterproof Film.
2. Check continuity when each switch on the power window main switch is operated to "UP" or "DOWN" position.

Q: Is the power window main switch normal?

YES: Go to Step 2.

NO: Replace the power window main switch. When the power window sub-switch is operated, the power windows should open or close normally.

STEP 2. Check the power window lock switch.

Q: Is the power window lock switch at the "UNLOCK" position?

YES: Go to Step 3.

NO: Operate the power window lock switch to the "UNLOCK" position? When the power window sub-switch is operated, the power windows should open or close normally.

STEP 3. Check which door window is not opened or closed

Q: Which door window is opened or closed?
Passenger's side : Go to Step 4.
Rear passenger (LH): Go to Step 17.
Rear passenger (RH): Go to Step 30.

STEP 4. Check the front power window sub-switch (RH) for continuity.
1. Remove the front power window sub-switch (RH). Refer to Door-Door Trim and Waterproof Film.
2. Check continuity when the front power window sub-switch (RH) is operated to "UP" or "DOWN" position.

Q: Is the front power window sub-switch (RH) normal?

YES: Go to Step 5.

NO: Replace the front power window sub-switch (RH). When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 5. Check the front power window motor (RH).
1. Remove the front power regulator assembly (RH). Refer to Door-Door Glass and Regulator.
2. Connect a battery to the motor terminal, and check that the motor runs freely.

Q: Is the front power window motor (RH) normal?

YES: Go to Step 6.

NO: Replace the front power regulator assembly (RH). When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 6. Check at front power window sub-switch connector E-14 in order to check the power window relay circuit of the power supply to the front power window sub-switch (RH).
1. Disconnect front power window sub-switch (RH) connector E-14, and measure at the harness side.
2. Measure the voltage between terminal 5 and ground.
- The measured value should be approximately 12 volts (battery positive voltage).

Q: Does the measured voltage correspond with this range?

YES: Go to Step 9.

NO: Go to Step 7.

STEP 7. Check power window relay connector C-224 and front power window sub-switch connector E-14 for damage.

Q: Are power window relay connector C-224 and front power window sub-switch (RH) connector E-14 in good condition?

YES: Go to Step 8.

NO: Repair or replace the connector. Refer to Harness Connector Inspection. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 8. Check the wiring harness between power window relay connector C-224 and front power window sub-switch (RH) connector E-14.

NOTE: Also check junction block connector C-211 and intermediate connector C-110. If junction block connector C-211 or intermediate connectors C-110 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between power window relay connector C-224 and front power window sub-switch (RH) connector E-14 in good condition?

YES: No action to be taken.

NO: Repair the wiring harness. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 9. Check at front power window sub-switch (RH) connector E-14 in order to check the ground circuit to the front power window sub-switch (RH).
1. Disconnect front power window sub-switch (RH) connector E-14, and measure at the harness side.
2. Measure the resistance value between terminal 4 and ground.
- The measured value should be 2 Ohm or less.

Q: Does the measured resistance value correspond with this range?

YES: Go to Step 12.

NO: Go to Step 10.

STEP 10. Check power window main switch connector E-05 and front power window sub-switch (RH) connector E-14 for damage.

Q: Are power window main switch connector E-05 and front power window sub-switch (RH) connector E-14 in good condition?

YES: Go to Step 11.

NO: Repair or replace the connector. Refer to Harness Connector Inspection. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 11. Check the wiring harness between power window main switch connector E-05 and front power window sub-switch (RH) connector E-14.

NOTE: Also check intermediate connectors C-110 and C-17. If intermediate connectors C-110 or C-17 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between power window main switch connector E-05 and front power sub-switch (RH) connector E-14 in good condition?

YES: Replace the power window main switch. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

NO: Repair the wiring harness. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 12. Check at front power window sub-switch (RH) connector E-14 in order to check the ground circuit to the front power window sub-switch (RH).
1. Disconnect front power window sub-switch (RH) connector E-14, and measure at the harness side.
2. Measure the resistance value between terminal 8 and ground.
- The measured value should be 2 Ohm or less.

Q: Does the measured resistance value correspond with this range?

YES: Go to Step 15.

NO: Go to Step 13.

STEP 13. Check power window main switch connector E-05 and front power window sub-switch (RH) connector E-14 for damage.

Q: Are power window main switch connector E-05 and front power window sub-switch (RH) connector E-14 in good condition?

YES: Go to Step 14.

NO: Repair or replace the connector. Refer to Harness Connector Inspection. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 14. Check the wiring harness between power window main switch connector E-05 and front power window sub-switch (RH) connector E-14.

NOTE: Also check intermediate connectors C-110 and C-17. If intermediate connectors C-110 or C-17 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between power window main switch connector E-05 and front power sub-switch (RH) connector E-14 in good condition?

YES: Replace the power window main switch. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

NO: Repair the wiring harness. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 15. Check front power window sub-switch (RH) connector E-14 and front power window motor (RH) connector E-11 for damage.

Q: Are front power window sub-switch (RH) connector E-14 and front power window motor (RH) connector E-11 in good condition?

YES: Go to Step 16.

NO: Repair or replace the connector. Refer to Harness Connector Inspection. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 16. Check the wiring harness between front power window sub-switch (RH) connector E-14 and front power window motor (RH) connector E-11.

Q: Is the wiring harness between front power window main switch (RH) connector E-14 and front power window motor (RH) connector E-11 in good condition?

YES: No action to be taken.

NO: Repair the wiring harness. When the front power window sub-switch (RH) is operated, the front power window (RH) should open or close normally.

STEP 17. Check the rear power window sub-switch (LH) for continuity.

1. Remove the rear power window sub-switch (LH). Refer to Door-Door Trim and Waterproof Film.
2. Check continuity when the rear power window sub-switch (LH) is operated to "UP" or "DOWN" position.

Q: Is the rear power window sub-switch (LH) normal?

YES: Go to Step 18.

NO: Replace the rear power window sub-switch (LH). When the rear power window sub-switch (LH) is operated, the rear power window (LH) should open or close normally.

STEP 18. Check the rear power window motor (LH).

1. Remove the rear power regulator assembly (LH). Refer to Door-Door Glass and Regulator.
2. Connect a battery to the motor terminal, and check that the motor runs freely.

Q: Is the rear power window motor (LH) normal?

YES: Go to Step 19.

NO: Replace the rear power regulator assembly (LH). When the rear power window sub-switch (LH) is operated, the rear power window (LH) should open or close normally.

STEP 19. Check at rear power window sub-switch connector E-08 in order to check the power window relay circuit of the power supply to the rear power window sub-switch (LH).

1. Disconnect rear power window sub-switch (LH) connector E-08, and measure at the harness side.
2. Measure the voltage between terminal 5 and ground.
- The measured value should be approximately 12 volts (battery positive voltage).

Q: Does the measured voltage correspond with this range?

YES: Go to Step 22.

NO: Go to Step 20.

STEP 20. Check power window relay connector C-224 and rear power window sub-switch (LH) connector E-08 for damage.

Q: Are power window relay connector C-224 and rear power window sub-switch (LH) connector E-08 in good condition?

YES: Go to Step 21.

NO: Repair or replace the connector. Refer to Harness Connector Inspection. When the rear power window sub-switch (LH) is operated, the rear power window (LH) should open or close normally.