Pinout Values and Diagnostic Parameters
1. MULTIPLEX NETWORK BODY ECUTerminals Of ECU (B12 - B9):
a. Check the body ECU.
1. Disconnect the body ECU connectors A and D.
2. Check the voltage and continuity of each terminal of the vehicle's side connectors.
HINT: If the value is not as specified the vehicle's side may be defective.
Terminals Of ECU:
2. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR ECU)
a. Check the door ECU.
1. Disconnect the power window master switch assembly connector.
2. Check the voltage and continuity of each terminal of the vehicle's side connector.
HINT: If the value is not as specified the vehicle's side may be defective.
Terminals Of ECU (C12 - C11):
3. COMBINATION METER ASSEMBLY (METER ECU)
a. Check the meter ECU.
1. Disconnect the meter assembly connector B.
2. Check the voltage and continuity of each terminal of the vehicle's side connectors.
HINT: If the value is not as specified, the vehicle's side may be defective.
Terminals Of ECU (A11 - A10):
4. AIR CONDITIONING AMPLIFIER ASSEMBLY
a. Check the air conditioning amplifier.
1. Disconnect the air conditioning amplifier connector B.
2. Check the voltage and continuity of each terminal of the vehicle's side connectors.
HINT: If the value is not as specified, the vehicle's side may be defective.
Terminals Of ECU:
5. THEFT WARNING COMPUTER ASSEMBLY
a. Check the theft warning ECU.
1. Disconnect the theft warning ECU connector.
2. Check the voltage and continuity of each terminal of the vehicle's side connectors.
Terminals Of ECU (E9 - E5):
6. ENGINE CONTROL COMPUTER
a. Inspect the ECM operation.
1. Check the voltage and continuity of each terminal of the vehicle's side connectors.
NOTE:
- Inspection should be started from the back side of the connector with the computer connector being connected.
- Before the measurement, check the power source voltage (10 - 14 V when IG ON) and body ground (5 ohm or less between each ground terminal and the engine body, when IG OFF).
Terminals Of ECU:
7. SLIDING ROOF DRIVE GEAR
a. Check the sliding roof ECU.
1. Disconnect the sliding root ECU connector.
2. Check the voltage and continuity of each terminal of the vehicle's side connectors.