Toyota Corolla Cross: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT NO. 1 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI-MAIN NO. 1)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Auxiliary battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Auxiliary battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the No. 1 electronic fuel injection main relay (EFI-MAIN NO. 1). |
|
2. INSPECT NO. 3 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI-MAIN NO. 3)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Auxiliary battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Auxiliary battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the No. 3 electronic fuel injection main relay (EFI-MAIN NO. 3). |
|
3. INSPECT INJECTOR RELAY (D INJ)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Auxiliary battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Auxiliary battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the injector relay (D INJ). |
|
4. INSPECT VVT RELAY (VVT)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Auxiliary battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Auxiliary battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the VVT relay (VVT). |
|
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PRECAUTION WHEN USING GTS
CAUTION:
Strictly obey all traffic rules and regulations.
Do not drive the vehicle with the GTS cable contacting the pedals, shift lever or steering wheel.
Dr
DEFINITION OF TERMS
Term Definition
Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details).
Related DTCs
SEE MORE:
DIAGNOSIS SYSTEM
CHECK FOR DTCs (USING SYSTEM CHECK MODE SCREEN)
HINT:
When system self-diagnosis DTCs cannot be output due to a malfunction
that is preventing diagnosis mode from being started or the multi-display
from displaying, read the DTCs using the GTS.
Depending on the multi
DESCRIPTION
This DTC is stored when the DCM (telematics transceiver) detects
a malfunction in the telephone microphone assembly circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B157213
Microphone Circuit