ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when working in the engine compartment with the engine running or the power switch on (IG). PROCEDURE 1. PERFORM SPARK TEST (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Trouble Codes. (e) Check for DTCs. Powertrain > Engine > Trouble CodesNOTICE: If any DTCs are present, perform troubleshooting in accordance with the procedure for each DTC. (f) Turn the power switch off. (g) Remove the 4 ignition coil assemblies and 4 spark plugs. Click here (h) Remove the front wheel opening extension pad LH. Click here (i) Remove the front wheel opening extension pad RH. Click here (j) Remove the No. 1 engine under cover. Click here (k) Remove the No. 2 engine under cover assembly. Click here
(n) Install the spark plug to the ignition coil assembly, and then connect the ignition coil assembly connector. (o) Turn the power switch on (IG). (p) Turn the Techstream on. (q) Put the engine in Inspection Mode (Maintenance Mode). Powertrain > Hybrid Control > Utility
(r) Ground the spark plug. (s) Check that spark occurs at each spark plug while the engine is being cranked. NOTICE:
HINT:
(t) Connect the No. 5 engine wire connector.
(v) Install the No. 2 engine under cover assembly. Click here (w) Install the No. 1 engine under cover. Click here (x) Install the front wheel opening extension pad LH. Click here (y) Install the front wheel opening extension pad RH. Click here (z) Install the 4 ignition coil assemblies and 4 spark plugs. Click here (aa) Turn the power switch on (IG). (ab) Turn the Techstream on. (ac) Enter the following menus: Powertrain / Engine / Trouble Codes. (ad) Check for DTCs. Powertrain > Engine > Trouble Codes(ae) Clear the DTCs. Powertrain > Engine > Clear DTCs2. INSPECT IGNITION COIL ASSEMBLY AND SPARK TEST HINT: Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug. Click here (a) Check that the ignition coil assembly connector is securely connected.
(b) Perform a spark test on each ignition coil assembly. (1) Replace the ignition coil assembly with a known good one. (2) Perform the spark test again.
NOTICE: If an ignition coil assembly or spark plug has been struck or dropped, replace it. (c) Perform a spark test on each spark plug. (1) Replace the spark plug with a known good one. (2) Perform the spark test again.
NOTICE: If an ignition coil assembly or spark plug has been struck or dropped, replace it. (d) Connect the No. 5 engine wire connector.
(f) Install the No. 2 engine under cover assembly. Click here (g) Install the No. 1 engine under cover. Click here (h) Install the front wheel opening extension pad LH. Click here (i) Install the front wheel opening extension pad RH. Click here (j) Install the 4 ignition coil assemblies and 4 spark plugs. Click here (k) Turn the power switch on (IG). (l) Turn the Techstream on. (m) Enter the following menus: Powertrain / Engine / Trouble Codes. (n) Check for DTCs. Powertrain > Engine > Trouble Codes(o) Clear the DTCs. Powertrain > Engine > Clear DTCs3. CHECK SPARK PLUG NOTICE:
HINT: Perform "Inspection After Repair" after replacing a spark plug. Click here
(b) Alternative inspection method. (1) Connect the Techstream to the DLC3. (2) Turn the power switch on (IG). (3) Turn the Techstream on. (4) Put the engine in Inspection Mode (Maintenance Mode). Powertrain > Hybrid Control > Utility
(5) Start the engine. NOTICE: Do not perform this step when any of the following DTCs are output: P030000, P030027, P030085, P030100, P030200, P030300, P030400 (Cylinder Misfire Detected). (6) Quickly accelerate the engine to 2500 rpm 5 times. NOTICE: Do not perform this step when any of the following DTCs are output: P030000, P030027, P030085, P030100, P030200, P030300, P030400 (Cylinder Misfire Detected). (7) Remove the spark plug. Click here (8) Visually check the spark plug. HINT: If the electrode is dry, the spark plug is functioning properly. If the electrode is damp, proceed to the next step. (c) Check the spark plug for any damage to its threads and insulator. If there is any damage, replace the spark plug. Recommended Spark Plug:
(e) Install the spark plug. Click here 4. PERFORM INITIALIZATION (a) Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug. Click here |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Tire Pressure Warning System(for Gasoline Model): Data List / Active Test
DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may b ...