Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Read freeze frame data using the intelligent tester. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

INSPECT IGNITION COIL ASSEMBLY (POWER SOURCE)

Disconnect the ignition coil with igniter connector.

Measure the resistance.

Standard resistance (Check for open)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connections	Specified Conditions
B9-4 (GND) - Body ground	Below 1 Ω
B10-4 (GND) - Body ground	Below 1 Ω
B11-4 (GND) - Body ground	Below 1 Ω
B12-4 (GND) - Body ground	Below 1 Ω

Fig 1: Inspecting Ignition Coil Assembly (Power Source)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Turn the ignition switch ON.

Measure the voltage between the terminals of the wire harness side connector.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION

Tester Connections	Specified Conditions
B9-1 (+B) - B9-4 (GND)	9 to 14 V
B10-1 (+B) - B10-4 (GND)	9 to 14 V
B11-1 (+B) - B11-4 (GND)	9 to 14 V
B12-1 (+B) - B12-4 (GND)	9 to 14 V

Reconnect the ignition coil with igniter connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: GO to next step

CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - ECM)

Disconnect the ignition coil with connector.
Disconnect the B30 ECM connector.

Measure the resistance.

Standard resistance (Check for open)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connections	Specified Conditions
B9-2 (IGF) - B30-81 (IGF1)	Below 1 Ω
B10-2 (IGF) - B30-81 (IGF1)	Below 1 Ω
B11-2 (IGF) - B30-81 (IGF1)	Below 1 Ω
B12-2 (IGF) - B30-81 (IGF1)	Below 1 Ω

Fig 2: Checking Harness And Connector (Ignition Coil Assembly - ECM)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance (Check for open)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connections	Specified Conditions
B12-3 (IGT1) - B30-85 (IGT1)	Below 1 Ω
B11-3 (IGT2) - B30-84 (IGT2)	Below 1 Ω
B10-3 (IGT3) - B30-83 (IGT3)	Below 1 Ω
B9-3 (IGT4) - B30-82 (IGT4)	Below 1 Ω

Standard resistance (Check for short)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connections	Specified Conditions
B9-2 (IGF) or B30-81 (IGF1) - Body ground	10 kΩ or higher
B10-2 (IGF) or B30-81 (IGF1) - Body ground	10 kΩ or higher
B11-2 (IGF) or B30-81 (IGF1) - Body ground	10 kΩ or higher
B12-2 (IGF) or B30-81 (IGF1) - Body ground	10 kΩ or higher

Standard resistance (Check for short)

TESTER CONNECTION SPECIFIED CONDITION

Tester Connections	Specified Conditions
B12-3 (IGT1) or B30-85 (IGT1) - Body ground	10 kΩ or higher
B11-3 (IGT2) or B30-84 (IGT2) - Body ground	10 kΩ or higher
B10-3 (IGT3) or B30-83 (IGT3) - Body ground	10 kΩ or higher
B9-3 (IGT4) or B30-82 (IGT4) - Body ground	10 kΩ or higher

Reconnect the ECM connector.
Reconnect the ignition coil with igniter connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: GO to next step

CHECK WHETHER DTC OUTPUT RECURS (DTC P0351, P0352, P0353 OR P0354)

Connect the intelligent tester to the DLC3.
Turn the ignition switch ON and turn the tester ON.
Clear DTCs (see DTC CHECK / CLEAR ).
Shuffle arrangement of the ignition coils with igniters (among No. 1 to No. 4 cylinders).
NOTE: Do not shuffle the connectors.
Perform a simulation test.
Check DTCs displayed on the tester.

Result

RESULT

Display (DTC Output)	Proceed To
Same DTC output	A
Different ignition coil DTC output	B

B: REPLACE IGNITION COIL ASSEMBLY

A: REPLACE ECM