Note
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) Diagnostic system check-engine controls".
1) Connect the scan tool.
2) Turn OFF the ignition switch for 1 minute or more.
3) Start the engine. Note that a slight start delay may be noticed.
4) Observe the DTC information with a scan tool. Is a DTC set?
Yes
=>Go to Prioritized DTC check.
No
Go to Intermittent conditions of engine.
Refer to "202.Engine 15D.Symptom(4JJ3 with DPD) intermittent conditions of engine".
1) Observe the DTC information with a scan tool. Is DTC P0340 or P0641 set at the same time?
Yes
Go to the applicable DTC diagnosis.
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC P0340 Camshaft Position Sensor Circuit".
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) DTC P0641 Sensor Reference Voltage 1 Circuit".
No
=>Go to CKP sensor 5 V reference voltage check.
1) Turn OFF the ignition switch.
2) Disconnect the CKP sensor harness connector (E30).
3) Measure the voltage between the CKP sensor 5 V reference circuit (pin 3 of E30) and the body ground with a DMM. Is the voltage more than or equal to the specified value?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Value: 4.5 V
Yes
=>Go to CKP sensor signal voltage check.
No
=>Go to Inspection for open circuit in CKP sensor 5 V reference circuit.
1) Measure the voltage between the CKP sensor signal circuit (pin 1 of E30) and the body ground with a DMM.
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Value: 4.5 to 5.5 V
The reading is more than the specified value.
=>Go to Inspection for short to power supply in CKP sensor signal circuit.
The reading is within the specified range.
=>Go to CKP sensor signal voltage check using test lamp.
The reading is less than the specified value.
=>Go to Inspection for open circuit and short circuit in CKP sensor signal circuit.
1) Connect a test lamp between the CKP sensor signal circuit (pin 1 of E30) and the body ground.
2) Measure the voltage between the CKP sensor signal circuit (pin 1 of E30) and the body ground with a DMM. Is the voltage more than or equal to the specified value?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Value: 4.5 V
Yes
=>Go to Inspection for short to 5 V reference in CKP sensor signal circuit.
No
=>Go to CKP sensor low reference circuit inspection.
1) Measure the voltage between the 5 V reference circuit and the low reference circuit of the CKP sensor (pins 2 and 3 of E30) with a DMM. Is the voltage more than or equal to the specified value?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Value: 4.5 V
Yes
=>Go to CKP sensor harness connector inspection.
No
=>Go to Inspection for open circuit in CKP sensor low reference circuit.
1) Inspect the 5 V reference circuit between the ECM (pin 31 of E3) and the CKP sensor (pin 3 of E30) for an open circuit or high resistance. Is the result normal?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
=>Go to ECM harness connector inspection.
No
Repair the circuit as necessary.
1) Inspect the low reference circuit between the ECM (pin 26 of E2) and the CKP sensor (pin 2 of E30) for an open circuit or high resistance. Is the result normal?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
=>Go to ECM harness connector inspection.
No
Repair the circuit as necessary.
1) Inspect the signal circuit between the ECM (pin 28 of E1) and the CKP sensor (pin 1 of E30) for the following. Is the result normal?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
=>Go to ECM harness connector inspection.
No
Repair the circuit as necessary.
1) Inspect the signal circuit between the ECM (pin 28 of E1) and the CKP sensor (pin 1 of E30) for a short to the battery power supply circuit or a short to the ignition power supply circuit. Is the result normal?
Note
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
No
Repair the circuit as necessary.
1) Inspect the signal circuit between the ECM (pin 28 of E1) and the CKP sensor (pin 1 of E30) for a short to the 5 V reference circuit. Is the result normal?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
No
Repair the circuit as necessary.
1) Inspect for poor connections at the CKP sensor harness connector (pins 1, 2, and 3 of E30). Is the connection status normal?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
=>Go to CKP sensor and sensor rotor inspection.
No
Repair the connections as necessary.
1) Inspect for poor connections at the ECM harness connector (pin 28 of E1, pins 18 and 26 of E2, and pin 31 of E3). Is the connection status normal?
Refer to "RHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "LHD Engine Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
No
Repair the connections as necessary.
1) Inspect the CKP sensor and sensor rotor for the following. Is the result normal?
Yes
Replace the CKP sensor.
Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) CKP sensor removal".
Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) CKP sensor installation".
No
Repair or replace as necessary.
Note
Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) ECM removal".
Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) ECM installation".
Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) ECM setting".
Procedure completion
1) Clear the DTC with a scan tool.
2) Turn OFF the ignition switch for 1 minute or more.
3) Start the engine.
4) Operate the vehicle under the conditions for running the DTC.
5) Observe the DTC information with a scan tool.