Pinout Values and Diagnostic Parameters
1. MULTIPLEX NETWORK BODY ECUa. CHECK BODY ECU
1. Disconnect the body ECU connectors A and D.
ECU - Connector View:
ECU - Pinouts (Standard):
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.
2. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR ECU)
ECU - Connector View:
a. CHECK DOOR ECU
1. Disconnect the power window master switch assembly connector.
ECU - Pinouts (Standard):
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.
3. COMBINATION METER ASSEMBLY (METER ECU)
a. CHECK METER ECU
1. Disconnect the meter assembly connector B.
ECU - Connector View:
ECU - Pinouts (Standard):
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 detective.
4. AIR CONDITIONING AMPLIFIER ASSEMBLY
a. INSPECT AIR CONDITIONING AMPLIFIER
1. Disconnect the air conditioning amplifier connector B.
ECU - Connector View:
ECU - Pinouts (Standard):
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 detective.
5. THEFT WARNING COMPUTER ASSEMBLY
a. INSPECT THEFT WARNING ECU
1. Disconnect the theft warning ECU connector.
ECU - Connector View:
ECU - Pinouts (Standard):
2. Check the voltage and continuity of each terminal of the vehicle's side connectors.
6. ENGINE CONTROL COMPUTER
a. INSPECT ECM OPERATION
1. Check the voltage and continuity of each terminal of the vehicle's side connectors.
ECU - Connector View:
ECU - Pinouts (Standard):
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 around (5 ohms or less between each around terminal and the engine. body when IG OFF).
7. SLIDING ROOF DRIVE GEAR
ECU - Connector View:
a. CHECK SLIDING ROOF ECU
1. Disconnect the sliding roof ECU connector.
ECU - Pinouts (Standard):
2. Check the voltage and continuity of each terminal of the vehicle's side connector.