Indicator Circuit: Procedure
- CHECK ECUS CONNECTED TO CAN BUS
- Turn the power switch OFF.
- Connect the Techstream to the DLC3.
- Check the ECUs connected to CAN bus. Refer to DIAGNOSIS SYSTEM
.RESULT
Result Proceed to No malfunction appears A Malfunction appears B
B → See step 6
A: Go to next step
- CHECK DTC (ALL)
- Turn the power switch OFF.
- Connect the Techstream to the DLC3.
- Check for all DTCs.RESULT
Result Proceed to DTC is not output A CAN system DTC is output B LIN system DTC is output C
C → See step 7
B → See step 6
A: Go to next step
- CHECK INDICATOR LIGHT OPERATION (ACTIVE TEST)
- Turn the power switch OFF.
- Connect the Techstream to the DLC3.
- Turn the power switch ON (IG) and the Techstream ON.
- Enter the following menus: Body Electrical / Combination Meter / Active Test.
- Check the condition of the absorber control indicator light and height control indicator light by operating the Techstream.COMBINATION METER
Tester Display Test Part Control Range Diagnostic Note Indicat. TEMS Sports Absorber control indicator light (SPORT) ON or OFF - Indicat. Height High Height control indicator light (HEIGHT HIGH) ON or OFF - Indicat. TEMS Comfort Absorber control indicator light (COMFORT) ON or OFF - OK
Indicator light turns on when operating the Techstream.
NG → See step 8
OK: Go to next step
- CHECK SWITCH SIGNAL (SUSPENSION CONTROL ECU DATA LIST)
- Turn the power switch OFF.
- Connect the Techstream to the DLC3.
- Turn the power switch ON (IG) and the Techstream ON.
- Enter the following menus: Chassis / Air suspension / Data List.
- Select each item below in the DATA LIST and read its value displayed on the Techstream screen.AIR SUSPENSION
Tester Display Measurement Item/Range Normal Condition Diagnostic Note COMFORT Switch Absorber control switch (COMFORT) /
ON or OFFON: COMFORT
OFF: NORMAL- SPORT switch Absorber control switch (SPORT) /
ON or OFFON: SPORT
OFF: NORMAL- Damping Force Switch 1 Height control switch (HEIGHT HIGH) /
ON or OFFON: Switch is pressed and held
OFF: Switch is not pressed- OK
On the Techstream screen, item changes between ON and OFF according to switch operation.
NG → See step 5
OK → See step 9
- CHECK SWITCH SIGNAL (COMBINATION SWITCH DATA LIST)
- Turn the power switch OFF.
- Connect the Techstream to the DLC3.
- Turn the power switch ON (IG) and the Techstream ON.
- Enter the following menus: Body Electrical / Center Console Switch / Data List.
- Select each item below in the DATA LIST and read its value displayed on the Techstream screen.CENTER CONSOLE SWITCH
Tester Display Measurement Item/Range Normal Condition Diagnostic Note HEIGHT HIGH Switch Height control switch (HEIGHT HIGH) /
ON or OFFON: Switch is pressed and held
OFF: Switch is not pressed- SPORT Mode Switch Absorber control switch (SPORT) /
ON or OFFON: SPORT
OFF: NORMAL- COMFORT Mode Switch Absorber control switch (COMFORT) /
ON or OFFON: COMFORT
OFF: NORMAL- OK
On the Techstream screen, item changes between ON and OFF according to switch operation.
NG → See step 11
OK → See step 10
- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- GO TO LIN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE
- REPLACE SUSPENSION CONTROL ECU. Refer to REMOVAL
- REPLACE COMBINATION SWITCH. Refer to REMOVAL