Toyota RM787U, Service And Repair Manual

Page: 684 / 1976

DI-14
- DIAGNOSTICS ENGINE
168
Author: Date:
2001 SIENNA (RM787U)
P0172
( DI-52 )
System too rich
(Fuel Trim)
Fuel line pressure
Injector leak, blockage
Heated oxygen sensor malfunction
Mass air flow meter
Engine coolant temp. sensor
A/F sensors (bank 1, 2 sensor 1)
Gas leakage on exhaust system
*1
P0174
( DI-52 )
System too Lean
(A/F Lean Malfunction)
Same as DTC P0171
P0175
( DI-52 )
System too Rich
(A/F Rich Malfunction)
Same as DTC P0172
P0300
( DI-57 )
Random/Multiple Cylinder
Misfire Detected
Ignition system
Injector
Fuel line pressure
P0301
P0302
P0303
P0304
P0305
P0306
( DI-57 )
Misfire Detected
- Cylinder 1
- Cylinder 2
- Cylinder 3
- Cylinder 4
- Cylinder 5
- Cylinder 6
Fuel line ressure
Compression pressure
Valve clearance not to specification
Valve timing
Mass air flow meter
Engine coolant temp. sensor
Open or short engine wire
Connector connection
ECM
*2
P0325
( DI-62 )
Knock Sensor 1 Circuit
Malfunction
Open or short in knock sensor 1 circuit
Knock sensor 1 (looseness)
ECM
*1
P0330
( DI-62 )
Knock Sensor 2 Circuit
Malfunction
Open or short in knock sensor 2 circuit
Knock sensor 2 (looseness)
ECM
*1
P0335
( DI-65 )
Crankshaft Position Sensor
”A” Circuit Malfunction
Open or short in crankshaft position sensor circuit
Crankshaft position sensor
Starter
ECM
*1
P0340
( DI-67 )
Camshaft Position Sensor
Circuit Malfunction
Open or short in camshaft position sensor circuit
Camshaft position sensor
Starter
ECM
*1
P0420
( DI-69 )
Catalyst System Efficiency
Below Threshold
Three-way catalytic converter
Open or short in heated oxygen sensors (bank 1, sensor 2)
circuit
Heated oxygen sensors (bank 1, sensor 2)
Open or short in A/F sensors (bank 1, 2 sensor 1) circuit
A/F sensors (bank 1, 2 sensor 1)
*2
P0440
( DI-72 )
Evaporative Emission Control
System Malfunction
Vapor pressure sensor
Fuel tank cap incorrectly installed
Fuel tank cap cracked or damaged
Vacuum hose cracked, holed, blocked, damaged or
disconnected ((1) or (2) in fig. 1)
Hose or tube cracked, holed, damaged or loose seal
((3) in fig. 1)
Fuel tank cracked, holed or damaged
Charcoal canister cracked, holed or damaged
*1