2001 TOYOTA HIGHLANDER relay

051ZK-13
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-31
221 Author
: Date
:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
PROBLEM SYMPTOMS TABLE
SymptomSuspected AreaSee Page
Engine does not crank (does not start)
1. Starter
2. STARTER relay
3. PNP switch19-12
19-12
40-6
No initial combustion (does not start)
1. ECM power source circuit
2. Fuel pump control circuit
3. ECM05-312
05-349
01-36
No complete combustion (does not start)1. Fuel pump control circuit05-349
Difficult to start (engine cranks normally)
1. Starter signal circuit
2. Fuel pump control circuit
3. Compression05-235
05-349
14-1
Difficult to start with cold engine1. Starter signal circuit
2. Fuel pump control circuit05-235
05-349
Difficult to start with hot engine1. Starter signal circuit
2. Fuel pump control circuit05-235
05-349
High engine idle speed (poor idling)1. A/C signal circuit (Compressor circuit)
2. ECM power source circuit05-1 190
05-312
Low engine idle speed (poor idling)1. A/C signal circuit (Compressor circuit)
2. Fuel pump control circuit05-1 190
05-349
Rough idling (poor idling)1. Compression
2. Fuel pump control circuit14-1
05-349
Hunting (poor idling)1. ECM power source circuit
2. Fuel pump control circuit05-312
05-349
Hesitation/Poor acceleration (poor driveability)1. Fuel pump control circuit
2. A/T faulty05-349
05-904
Surging (poor driveability)1. Fuel pump control circuit05-349
Engine stalls soon after starting1. Fuel pump control circuit05-349
Engine stalls during A/C operation1. A/C signal circuit (Compressor circuit)
2. ECM05-1 190
01-36
Unable to refuel/Difficult to refuel1. ORVR system

2005 HIGHLANDER (EWD592U)
20
F RELAY LOCATIONS
[Engine Compartment]
[Instrument Panel]

2005 HIGHLANDER (EWD592U)
22
F RELAY LOCATIONS
2: Engine Room R/BEngine Compartment Left
[Inside Engine Room J/B] (See Page 20)

2005 HIGHLANDER (EWD592U)
24
F RELAY LOCATIONS
1: R/B No.1Lower Finish Panel (See Page 20)

2005 HIGHLANDER (EWD592U)
26
F RELAY LOCATIONS
: Engine Room J/BEngine Compartment Left (See Page 20)

2005 HIGHLANDER (EWD592U)
28
F RELAY LOCATIONS
: Instrument Panel J/BLower Finish Panel (See Page 20)

2005 HIGHLANDER (EWD592U)
30
F RELAY LOCATIONS
: Center J/BBehind the Instrument Panel Center
(See Page 20)

2005 HIGHLANDER (EWD592U)
32
F RELAY LOCATIONS
: Passenger Side J/BRight Side of Grove Box (See Page 20)