DI-13 DIAGNOSTICS - ENGINE
DI21O-03 DIAGNOSTIC TROUBLE CODE CHART SAE CONTROLLED HINT: Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument or other factors. If a malfunction code is displayed during the DTC check in check mode, check the circuit for that code listed in the table below. For details of each code, turn to the page referred to under the ’’See page ’’ for the respec- tive ’’DTC No.’’ in the DTC chart.
DTC No. Detection Item Trouble Area MIL* Memory (See Page)
S Open or short in mass air flow meter circuit P0100 Mass Air Flow Circuit S Mass air flow meter f f (DI-22 ) Malfunction S ECM Mass Air Flow Circuit P0101 Range/Performance S Mass air flow meter f f (DI-26 ) Problem S Open or short in intake air temp. sensor circuit P0110 Intake Air Temp. Circuit S Intake air temp. sensor (built into mass air flow meter) f f (DI-27 ) Malfunction S ECM S Open or short in engine coolant temp. sensor circuit P0115 Engine Coolant Temp. Circuit S Engine coolant temp. sensor f f (DI-31 ) Malfunction S ECM P0116 Engine Coolant Temp. Circuit S Engine coolant temp. sensor f f (DI-35 ) Range/Performance Problem S Cooling system Throttle/Pedal Position S Open or short in throttle position sensor circuit P0120 Sensor/Switch ”A” Circuit S Throttle position sensor f f (DI-37 ) Malfunction S ECM Throttle/Pedal Position P0121 Sensor/Switch ”A” Circuit S Throttle position sensor f f (DI-41 ) Range/Performance Problem P0128 Thermostat Malfunction S Thermostat (DI-47 )
S Fuel system S Injector S Ignition system P0125 Insufficient Coolant Temp. for S Gas leakage on exhaust system f f (DI-42 ) Closed Loop Fuel Control S Open or short in A/F sensor circuit (bank 1, 2 sensor 1) S A/F sensors (bank 1, 2 sensor 1) S ECM Heated Oxygen Sensor Circuit P0136 Malfunction S Heated oxygen sensor f f (DI-48 ) (Bank 1 Sensor 2) Heated Oxygen Sensor Heater P0141 Circuit Malfunction S Same as DTC No. P0135 f*1 f (DI-50 ) (Bank 1 Sensor 2) S Air intake (hose loose) S Fuel line pressure S Injector blockage P0171 System too Lean S Mass air flow meter f*1 f (DI-52 ) (Fuel Trim) S Engine coolant temp. sensor S A/F sensors (bank 1, 2 sensor 1) S Gas leakage on exhaust system
2001 SIENNA (RM787U)
Author: Date: 167 DI-14 DIAGNOSTICS - ENGINE
S Fuel line pressure S Injector leak, blockage S Heated oxygen sensor malfunction P0172 System too rich S Mass air flow meter f*1 f (DI-52 ) (Fuel Trim) S Engine coolant temp. sensor S A/F sensors (bank 1, 2 sensor 1) S Gas leakage on exhaust system P0174 System too Lean S Same as DTC P0171 f f (DI-52 ) (A/F Lean Malfunction) P0175 System too Rich S Same as DTC P0172 f f (DI-52 ) (A/F Rich Malfunction)
S Ignition system P0300 Random/Multiple Cylinder S Injector (DI-57 ) Misfire Detected S Fuel line pressureressure S Compression pressure P0301 Misfire Detected S Valve clearance not to specification P0302 - Cylinder 1 S Valve timing f*2 f P0303 - Cylinder 2 S Mass air flow meter P0304 - Cylinder 3 S Engine coolant temp. sensor P0305 - Cylinder 4 S Open or short engine wire P0306 - Cylinder 5 S Connector connection (DI-57 ) - Cylinder 6 S ECM
S Open or short in knock sensor 1 circuit P0325 Knock Sensor 1 Circuit S Knock sensor 1 (looseness) f*1 f (DI-62 ) Malfunction S ECM S Open or short in knock sensor 2 circuit P0330 Knock Sensor 2 Circuit S Knock sensor 2 (looseness) f*1 f (DI-62 ) Malfunction S ECM S Open or short in crankshaft position sensor circuit P0335 Crankshaft Position Sensor S Crankshaft position sensor f*1 f (DI-65 ) ”A” Circuit Malfunction S Starter S ECM S Open or short in camshaft position sensor circuit P0340 Camshaft Position Sensor S Camshaft position sensor f*1 f (DI-67 ) Circuit Malfunction S Starter S ECM
S Three-way catalytic converter S Open or short in heated oxygen sensors (bank 1, sensor 2) P0420 Catalyst System Efficiency circuit f*2 f (DI-69 ) Below Threshold S Heated oxygen sensors (bank 1, sensor 2) S Open or short in A/F sensors (bank 1, 2 sensor 1) circuit S A/F sensors (bank 1, 2 sensor 1)
S Vapor pressure sensor S Fuel tank cap incorrectly installed S Fuel tank cap cracked or damaged S Vacuum hose cracked, holed, blocked, damaged or P0440 Evaporative Emission Control disconnected ((1) or (2) in fig. 1) f*1 f (DI-72 ) System Malfunction S Hose or tube cracked, holed, damaged or loose seal ((3) in fig. 1) S Fuel tank cracked, holed or damaged S Charcoal canister cracked, holed or damaged
2001 SIENNA (RM787U)
Author: Date: 168 DI-15 DIAGNOSTICS - ENGINE
S Open or short in VSV circuit for EVAP S Open or short in VSV circuit for vapor pressure sensor S Open or short in vapor pressure sensor circuit S VSV for EVAP P0441 Evaporative Emission Control S VSV for vapor pressure sensor f f (DI-78 ) System Incorrect Purge Flow S Vapor pressure sensor S Vacuum hose cracks, holed blocked, damaged or disconnected ((1), (4), (5), (6) and (7) in fig.1) S Charcoal canister cracks, holed or damaged Evaporative Emission Control P0442 System Leak Detected S Same as DTC P0440 f f (DI-72 ) (Small Leak) P0446 Evaporative Emission Control S Same as DTC P0441 f f (DI-78 ) System Vent Control Malfunction
Evaporative Emission Control S Open or short in vapor pressure sensor circuit P0450 System Pressure Sensor S Vapor pressure sensor f f (DI-95 ) Malfunction S ECM Evaporative Emission Control S Open or short in vapor pressure sensor circuit P0451 System Pressure Sensor S Vapor pressure sensor f f (DI-95 ) Range/Performance S ECM S Open or short in speed sensor circuit P0500 Vehicle Speed Sensor S Vehicle speed sensor f f (DI-97 ) Malfunction S Combination meter S ECM S IAC valve is stuck or closed P0505 Idle Control System S Open or short in IAC valve circuit f f (DI-100 ) Malfunction S Open or short in A/C signal circuit S Air intake (hose loose) *: f @@@ MIL lights up, - @@@ MIL does not light up MANUFACTURER CONTROLLED
DTC No. Detection Item Trouble Area MIL* Memory (See Page)
A/F Sensor Circuit S Open or short in A/F sensor circuit P1130 Range/Performance Malfunction S A/F sensor (bank 1, sensor 1) f f (DI-104 ) (Bank 1 Sensor 1) S ECM A/F Sensor Circuit Response P1133 Malfunction S A/F sensor (bank 1, sensor 1) f f (DI-109 ) (Bank 1 Sensor 1) A/F Sensor Heater Circuit S Open or short in A/F sensor (bank 1, sensor 1) P1135 Malfunction S A/F sensor (bank 1, sensor 1) heater f f (DI-113) (Bank1 Sensor 1) S ECM A/F Sensor Circuit P1150 Range/Performance Malfunction S Same as DTC No. P1130 f f (DI-104 ) (Bank2 Sensor 1) A/F Sensor Circuit Response P1153 Malfunction S Same as DTC No. P1133 f f (DI-109 ) (Bank 2 Sensor 1) A/F Sensor Heater Circuit P1155 Malfunction S Same as DTC No. P1135 f f (DI-113) (Bank 2 Sensor 1) S Open or short in IGF or IGT circuit from igniter to ECM P1300 Igniter Circuit Malfunction S Igniter f f (DI-115) S ECM
2001 SIENNA (RM787U)
Author: Date: 169 DI-16 DIAGNOSTICS - ENGINE
S Ignition system S Open or short in IGF2 or IGT2 circuit from No.2 ignition coil P1305 Igniter Circuit Malfunction (No.2) with igniter to ECM f f (DI-115) S No.2 ignition coil with igniter S ECM S Ignition system S Open or short in IGF2 or IGT3 circuit from No.3 ignition coil P1310 Igniter Circuit Malfunction (No.3) with igniter to ECM f f (DI-115) S No.3 ignition coil with igniter S ECM S Ignition system S Open or short in IGF1 or IGT4 circuit from No.4 ignition coil P1315 Igniter Circuit Malfunction (No.4) with igniter to ECM f f (DI-115) S No.4 ignition coil with igniter S ECM S Ignition system S Open or short in IGF2 or IGT5 circuit from No.5 ignition coil P1320 Igniter Circuit Malfunction (No.5) with igniter to ECM f f (DI-115) S No.5 ignition coil with igniter S ECM S Ignition system S Open or short in IGF1 or IGT6 circuit from No.6 ignition coil P1325 Igniter Circuit Malfunction (No.6) with igniter to ECM f f (DI-115) S No.6 ignition coil with igniter S ECM S Open or short in crankshaft position sensor circuit Crankshaft Position Sensor P1335 S Crankshaft position sensor Circuit Malfunction - f (DI-121 ) S Starter (during engine running) S ECM VVT Sensor/Camshaft position S Mechanical system (Jumping teeth of timing belt, belt P1346 Sensor Circuit Range/Perfor- stretched) f f (DI-122 ) mance Problem (Bank 1) S ECM S Valve timing P1349 VVT System Malfunction (Bank S OCV f f (DI-123 ) 1) S VVT controller assembly S ECM
VVT Sensor/Camshaft position P1350 Sensor Circuit Malfunction (Bank S Same as DTC No. P1345 f f (DI-130 ) 2) VVT Sensor/Camshaft position P1351 Sensor Circuit Range/Perfor- S Same as DTC No. P1346 f f (DI-122 ) mance Problem (Bank 2) P1354 VVT System Malfunction (Bank S Same as DTC No. P1349 f f (DI-123 ) 2)
S Short in stop light switch signal circuit P1520 Stop Light Switch Signal S Stop light switch f f (DI-132 ) Malfunction S ECM P1600 S Open in back up power source circuit ECM BATT Malfunction f f (DI-135 ) S ECM P1656 OCV Circuit Malfunction (Bank (DI-137 ) 1) S OpenOen or short in OCV circuit OCV Circuit Malfunction (Bank S OCV f f P1663 2) S ECM (DI-137 )
2001 SIENNA (RM787U)
Author: Date: 170 DI-17 DIAGNOSTICS - ENGINE
S Short in park/neutral position switch circuit P1780 Park/Neutral Position Switch S Park/neutral position switch f f (DI-140 ) Malfunction S ECM B2795 Unmatched key Code S Immobiliser system - f (DI-621 ) B2796 No Communication in S Immobiliser system - f (DI-622 ) Immobiliser System
B2797 Communication Malfunction No.1 S Immobiliser system - f (DI-624 )
B2798 Communication Malfunction No.2 S Immobiliser system - f (DI-626 ) *: f @@@ MIL lights up, - @@@ MIL does not light up
2001 SIENNA (RM787U)
Author: Date: 171