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NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to Next Step 2. CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - ECM) a. Disconnect the D10, D12, D14, D16, D19, D21, D23 or D25 ignition coil with igniter connector. Fig. 151: Identifying Terminals Of D10, D12, D14, D16, D19, D21, D23 Or D25 Ignition Coil b. Disconnect the D74 ECM connector. c. Measure the resistance according to the value(s) in the table below. Standard resistance RESISTANCE SPECIFIED CONDITION Tester Connection Switch Condition Specified Condition D10-1 (+B) - D10-4 (GND) Ignition switch ON 11 to 14 V D25-1 (+B) - D25-4 (GND) Ignition switch ON 11 to 14 V D12-1 (+B) - D12-4 (GND) Ignition switch ON 11 to 14 V D23-1 (+B) - D23-4 (GND) Ignition switch ON 11 to 14 V D14-1 (+B) - D14-4 (GND) Ignition switch ON 11 to 14 V D21-1 (+B) - D21-4 (GND) Ignition switch ON 11 to 14 V D16-1 (+B) - D16-4 (GND) Ignition switch ON 11 to 14 V D19-1 (+B) - D19-4 (GND) Ignition switch ON 11 to 14 V Tester Connection Condition Specified Condition D10-2 (IGF1) - D74-104 (IGF1) Always Below 1 ohms D25-2 (IGF2) - D74-105 (IGF2) Always Below 1 ohms D12-2 (IGF2) - D74-105 (IGF2) Always Below 1 ohms D23-2 (IGF1) - D74-104 (IGF1) Always Below 1 ohms D14-2 (IGF2) - D74-105 (IGF2) Always Below 1 ohms D21-2 (IGF1) - D74-104 (IGF1) Always Below 1 ohms
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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