DESCRIPTION
The power slide door ECU LH controls the power slide door and activates the slide motor.
Tech Tips
Before using this flowchart, perform the self-diagnostic mode inspection Click here and make sure no code is output.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK BASIC FUNCTIONS
When the engine is running, (1) to (5) are required for the power slide door to operate.
The battery voltage is 11 V or more.
The vehicle's speed is less than 3 km/h (1 mph) and the shift lever is moved to the P position.
The auto slide door main switch is turned ON (the button is not pushed).
The slide door is unlocked (the position switch is ON).
An open circuit in the power slide door touch sensor is not detected.
When the engine is not running, (1) to (4) are required for the power slide door to operate.
The battery voltage is 11 V or more.
The auto slide door main switch is turned ON (the button is not pushed).
The slide door is unlocked (the position switch is ON).
An open circuit in the power slide door touch sensor is not detected.
Tech Tips
For the inside handle, the power slide door can operate only when the child lock is OFF.
For the outside handle, the power slide door can operate even when the child lock is ON.
Check that the power slide door malfunctions.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
INSPECT SLIDE DOOR MOTOR ASSEMBLY Click here |
| A |
|
INSPECT POWER SLIDE DOOR ECU LH (POWER SOURCE)
Disconnect the q3 and q4 connectors from the power slide door ECU LH.
Measure the voltage.
| Standard voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE POWER SOURCE CIRCUIT |
| OK |
|
INSPECT POWER SLIDE DOOR ECU LH (GROUND)
Measure the resistance.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE GROUND CIRCUIT |
| OK |
|
INSPECT POWER SLIDE DOOR ECU LH (AUTO SLIDE DOOR CONTROL SWITCH ASSEMBLY CIRCUIT)
Measure the resistance.
| Standard resistance | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
INSPECT AUTO SLIDE DOOR CONTROL SWITCH ASSEMBLY Click here |
| OK |
|
INSPECT POWER SLIDE DOOR ECU LH (AUTO SLIDE DOOR MAIN SWITCH ASSEMBLY CIRCUIT)
Measure the resistance.
| Standard resistance | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
INSPECT AUTO SLIDE DOOR MAIN SWITCH ASSEMBLY Click here |
| OK |
|
INSPECT SLIDE DOOR MOTOR ASSEMBLY
Disconnect the q1 and q5 connectors from the slide door motor assembly.
Apply battery voltage to the motor and check operation of the motor.
| OK | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Measure the resistance of the motor clutch.
| Standard resistance | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE SLIDE DOOR MOTOR ASSEMBLY |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - SLIDE DOOR MOTOR ASSEMBLY)
Measure the resistance.
| Standard resistance | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Reconnect the q1 and q5 connectors to the slide door motor assembly.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY LH
Disconnect the p3 connector from the slide door lock release motor assembly LH.
Remove the slide door lock release motor assembly LH.
Apply battery voltage to the motor and check operation of the motor.
| Standard | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY LH |
| OK |
|
CHECK HARNESS AND CONNECTOR (SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY - DOOR OPENING RELAY)
Disconnect the p2 connector from the door opening relay.
Measure the resistance.
| Standard resistance | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Reconnect the p3 connector to the slide door lock release motor assembly LH.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - DOOR OPENING RELAY)
Measure the voltage and resistance.
| Standard | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT DOOR OPENING RELAY
Reconnect the q3 and q4 connectors to the power slide door ECU LH.
Measure the voltage.
| Standard voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE POWER SLIDE DOOR ECU LH |
| OK |
|
REPLACE DOOR OPENING RELAY
INSPECT SLIDE DOOR MOTOR ASSEMBLY
Disconnect the q1 and q5 connectors from the slide door motor assembly.
Apply battery voltage to the motor and check operation of the motor.
| OK | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Measure the resistance of the motor clutch.
| Standard resistance | ||||
|---|---|---|---|---|
|
Reconnect the q1 and q5 connectors to the slide door motor assembly.
Measure the voltage of the pulse sensor.
| Standard voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE SLIDE DOOR MOTOR ASSEMBLY |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - SLIDE DOOR MOTOR ASSEMBLY)
Disconnect the q3 and q4 connectors from the power slide door ECU LH.
Disconnect the q1 and q5 connectors from the slide door motor assembly.
Measure the resistance.
| Standard resistance | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE POWER SLIDE DOOR ECU LH
INSPECT AUTO SLIDE DOOR CONTROL SWITCH ASSEMBLY
Disconnect the I15 connector from the auto slide door control switch assembly.
Measure the resistance of the switch.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE AUTO SLIDE DOOR CONTROL SWITCH ASSEMBLY |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - AUTO SLIDE DOOR CONTROL SWITCH)
Measure the resistance.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
GO TO SYMPTOM SIMULATION Click here
INSPECT AUTO SLIDE DOOR MAIN SWITCH ASSEMBLY
Disconnect the I16 connector from the auto slide door main switch assembly.
Measure the resistance of the switch.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE AUTO SLIDE DOOR MAIN SWITCH ASSEMBLY |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - AUTO SLIDE DOOR MAIN SWITCH)
Measure the resistance.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
GO TO SYMPTOM SIMULATION Click here