Toyota Sienna Service Manual: Components

Fuel injector

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Removal

1. DISCHARGE FUEL SYSTEM PRESSURE HINT: See page FU-1. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 3. REMOVE NO. 1 ENGINE UNDER COVER 4. DRAIN ENGINE COOLANT (See page CO-6) 5. REMOVE FR ...

Other materials:

How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS Interview the customer and confirm the trouble. Confirm the problem by duplicating the conditions described by the customer 3 BASIC INSPECTION Basic inspection. Measure the battery voltage. Standard voltage: 11 ...

Disassembly
1. REMOVE TRANSFER COVER GASKET (a) Remove the transfer gasket from the transfer assembly. 2. REMOVE TRANSFER CASE BREATHER PLUG (a) Using a screwdriver and a hammer, remove the transfer case breather plug from the No. 1 transfer case cover. NOTICE: Be careful not to damage the conta ...

Control Module Performance
DESCRIPTION The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standards, the ECM will illuminate the MIL and set a DTC immediately. The ECM also monitors the cru ...